A young Zhou Zhi Ping becomes an orphan when his parents died in a car accident. After receiving training from "Santa Claus", he becomes a genius hacker. He sets up Team "Zero" that specialises in stealing and selling confidential information to help their clients solve problems. Concurrently, he is also tracking the whereabouts of "Santa Claus" to uncover the truth behind his parents' deaths. 周志平年幼之时，因父母车祸双亡而成为孤儿。他在神秘骇客“圣诞老人”的训练下，成为天才骇客....

Si Yun appears to be an Internet celebrity, but she is also a master hacker. She bears a grudge against the swindler, Zi Han, upon exposing his online scams. She attends her best friend, Kai Le's wedding. The groom, Daniel, who has once pursued her but is rejected, pesters her. Zhi Ping, who is at the hotel to track down "Santa Claus", witnesses the scene and helps her out of the predicament. 思韵表面经营网红事业，实则是个骇客高手，因揭露网络诈骗，而与骗子子汉结下仇恨。思韵参加好友凯乐的婚礼...

Si Yun successfully tracks down the IP address of the party who attacks her online, breaks through their firewall and finds out their location. She discovers Zi Han is the attacker, and just when he is being cornered, "Santa Claus" appears and rescues him. While Si Yun is tracking "Santa Claus" down, she encounters Zhi Ping, who is also pursuing "Santa Claus"... 思韵追查到组织网军攻击她的IP地址，成功攻破防火墙，找到对方所在地。攻击思韵的正是子汉，他正无路可退之际，“圣诞老人”出现，将他救走。思韵追踪“圣诞老人”逃走的轨迹...

To help young master Shao Guang succeed the chairman position, Zhi Ping successfully influences Director Lu to change his stance from supporting Shao Qiang to supporting Shao Guang instead. With the help of "Santa Claus" on the day of the voting, Director Lu starts to suspect that he is under someone's manipulation and that all the news about Shao Qiang are fake. 为帮助集团少东少光坐上主席之位，志平成功影响了原本倾向于少强的陆董事改而支持少光。不料就在主席投选那一天，在“圣诞老人”暗中引导下，陆董开始怀疑他被人操控...

"Santa Claus" tells Zhi Ping how he has manipulated Director Lu and declares that Zhi Ping too has fallen into his trap. Zhi Ping remains undaunted. Chairman He wakes up and casts a key vote, supporting Shao Guang to succeed his position. It turns out that he already knows of Shao Qiang's unscrupulous behaviour and hires Zhi Ping to help Shao Guang. "Santa Claus" thus fails his mission. “圣诞老人”把自己如何操控陆董的事告诉志平，指志平也掉入他所设的局里，任他摆布，志平自信满满。何主席醒来...

A video of Zhi Ping supporting Si Yun into the hotel leaks online, causing Si Yun to receive malicious comments once again. He apologises to her and expresses his willingness to compensate for her ordeal. She requests for him to join her live broadcast to clear the air. Unexpectedly, they are unable to calm the netizens down. Zhi Ping gets anxious and lies that both of them are dating. 志平搀扶着思韵上酒店的视像在网上流出，令思韵再次受到恶意留言的攻击。志平同情，向她道歉，表示愿意补偿。。。

En Zhe finds out that Huang Xue Zhong is the one who has impersonated as Zero to participate in the hackers' competition. By impersonating as Zero, he hopes to attract attention and get recruited into the team. Zhi Ping tells him he will consider letting him join the team if he completes a task. In the second round, Zhi Ping uses an alias "Matrix" and works with him to advance in the competition. 恩哲查出冒充Zero参加骇客大赛的人是大学生黄学忠，他因仰慕Zero而冒名参赛，希望引起注意...

Si Yun traces Zi Han's hiding place to an orphanage. Yi Ming goes to nab him but he escapes. Si Yun investigates the orphanage's Director, suspecting that he is "Santa Claus". She finds out by accident that Zhi Ping has also grew up there so she suspects that Zhi Ping and Zi Han are accomplices, shocking her. On the other hand, Zhi Ping also starts to suspect that the Director is "Santa Claus". 思韵通过骇客大赛追查到子汉藏身孤儿院，一鸣前去捉拿，但被子汉逃脱。思韵调查孤儿院院长资料...

Zhi Ping tracks down the orphanage's Director and confirms that he is "Santa Claus". Zhi Ping asks him to keep his word and tell him how his parents have died. The Director guiltily reveals that his parents have died because of him. Zhi Ping wants him to make amends for his doing. The Director suddenly dies from poison which he has taken earlier, leaving Zhi Ping grief-stricken over his death. 志平成功找到院长，证实他就是“圣诞老人”，要院长遵守诺言，告诉自己父母是怎么死的。院长内疚地说出原委...

Zhi Ping falls ill so he asks En Zhe to meet a client, Qiao An Na, on his behalf. An Na reveals she is being blackmailed, and if she refuses to pay, the extorter will disclose that the father of her child is someone else. She says that her husband should never find out about it. Realising that their client is An Na agitates Xiao Feng who orders En Zhe to not take up the case but she ignores him. 志平感冒生病，让恩哲代他前去与委托人接洽。委托人是贵妇乔安娜，指自己被人勒索，如果不给钱...

To find out if Zhi Ping and En Zhe are criminals, Si Yun looks for Zhi Ping, telling him that she wants to do a live broadcast to announce their break up. During the broadcast, they reveal their true feelings, especially Zhi Ping, who shared that the happiest period of his life was with Si Yun. Seeing how in love they are with each other, netizens ask them not to break up. 思韵为了查出志平与恩哲是否是罪犯，主动找志平，表示要开直播，宣布两人因性格不合而分手。直播时两人虽然宣布分手，但真情流露...

Zhi Ping confesses to Si Yun and is frank with her that he has low self-esteem due to his disability. He says that he does not dare to reveal his feelings for her so he asks En Zhe to pretend to be his girlfriend to make her give up on him, stunning Si Yun. To investigate more about Zhi Ping, Si Yun does not reject him immediately and suggests that they should stay as friends first instead. 志平向思韵表白，并坦言自己因残疾而感自卑，不敢吐露心意，才让恩哲假扮女朋友，让思韵打退堂鼓。思韵愕然...

Si Yun asks Zhi Ping and En Zhe out for a meal. En Zhe thinks that Si Yun is still suspicious of their relationship so decides not to attend. Zhi Ping tells Si Yun that En Zhe has something on so she cannot make it. Unexpectedly, En Zhe and Xue Zhong show up as a couple, shocking him. Si Yun takes the opportunity to know En Zhe better and is surprised to find out that En Zhe is a Wushu coach. 思韵约志平和恩哲一起吃饭，恩哲认为思韵还在怀疑两人的关系，决定不出席。志平告诉思韵，恩哲有事不能来...

Knowing that a mysterious man is threatening An Na, Zhi Ping asks her to lie about being blackmailed and thus finding Zero for help. He works with her to uncover the man's identity. The mysterious man, Uncle Gui, calls An Na. She drags the time for the team to trace his location. The vigilant Uncle Gui hangs up the call so Zhi Ping only manages to trace the call coming from Si Nuo Ao's network. 志平得知有神秘人威胁安娜，要她谎称自己被勒索，然后找Zero帮忙。志平决定与安娜合作，找出神秘人。。。

Someone tampers with Si Yun's car which loses control and explodes. Zhi Ping risks his life to save her and is now unconscious. His act touches Si Yun who confesses to him and hopes that he will regain consciousness soon. Wen Dao reveals to her that he discovers Uncle Gui colluding with hackers, and decides to find him to give him a chance to explain himself. Si Yun is worried about his decision... 思韵的车子被人动手脚，失控爆炸，志平拼死相救，昏迷不醒。思韵感动，在他床前告白...

An Na's husband, Tian Jian, meets Xiao Feng and confesses that he has long known that You Xiang is not his biological son. He states that An Na and You Xiang are the most important people in his life, begging Xiao Feng to not take them away from him and says that he is willing to fulfil any of his requests. In a fit of anger, Xiao Feng asks for all of his assets. Unexpectedly, he agrees to it. 安娜的老公添建突然约晓峰见面，坦承早就知道幼祥不是他的亲生儿子，但指安娜和幼祥都是他生命中最重要的人...

Zhi Ping has a new client, Zoey, who is an artiste. Just when she is about to hold a concert, her agency receives an extortion email asking for $500,000, else the extorter will reveal that Zoey has suffered from a sexually transmitted disease. Zhi Ping appoints En Zhe as Zoey's bodyguard. Zoey's spirit of pursuing her love without having any regrets inspires En Zhe to confess to Zhi Ping. 志平接到新委托，艺人Zoey即将开演唱会之际，其经纪公司却接到勒索电邮，对方要求50万遮口费...

Zhi Ping is suspected of murdering Zoey and hurriedly flees. Si Yun discovers that Zhi Ping is hacker Zero, shocking her. She sneaks into his house to find evidence of his crimes. AI Emily reveals herself and shares with Si Yun the reason behind Zhi Ping becoming a hacker and that she firmly believes that Zhi Ping did not murder anyone. Si Yun thus decides to pursue the truth. Zoey被杀身亡，志平被怀疑是嫌疑犯，仓皇逃走。思韵发现志平的真正身份竟然是骇客Zero，十分震惊。她潜入志平家，想寻找证据...

With Emily's help, Zhi Ping infiltrates into Si Nuo Ao to find evidence but realises that he has fallen into a trap and has no way of escaping. Just when he is panicking, "Ghost" appears and rescues him. Zhi Ping does not know that Si Yun is "Ghost" and asks her why she is helping him. Si Yun does not answer him directly but only warns him to stop doing illegal activities in the future. 志平在Emily的掩护下，入侵斯诺奥寻找证据，却发现落入陷阱，退路也被堵死。他正焦虑间，“Ghost”出现将他救走。。。

Xue Zhong sneaks into Alex's ward to kill him. Unexpectedly, the other party overpowers him. It turns out that Zhi Ping has disguised himself as Alex. The police arrests Xue Zhong. It turns out that Zhi Ping is suspicious of Xue Zhong and not En Zhe but he puts on an act. He pretends to fall out with En Zhe and under Xiao Feng's arrangement, he disguises himself as Alex to bait Xue Zhong. 学忠潜入Alex的病房，要将他杀害，不料反被对方制服，原来Alex竟是志平所假扮，学忠被警方逮捕。。。

Zhi Ping successfully rescues Xue Zhong. He leads them to find En Zhe who is at her last gasp. Zhi Ping keeps his word and releases him. He sends an encrypted message to seek help from Wen Dao. Wen Dao agrees to meet him but sends his assistant, Xiao Yang, to kill him instead. Thankfully, he escapes. Recalling how Wen Dao adopts him and trains him to become a hacker deepens his hatred for Wen Dao. 志平成功救出学忠，学忠带他们找到奄奄一息的恩哲，志平遵守诺言放学忠离开。。。

Zhi Ping is heart-broken when he discovers that Si Yun is Wen Dao's daughter and that Wen Dao is responsible for his parents' deaths. Si Yun meets Zhi Ping to explain herself and he confirms her identity to be "Ghost". Zhi Ping points out that she intentionally gets close to him as she wants to nab his cybercrimes, and to think he wants to quit being a hacker and live an ordinary life with her... 志平发现思韵原来是文道的女儿，而文道却是杀死自己父母的仇人，心中痛苦不已。思韵找志平出来解释...

Uncle Gui's son passes a letter from Uncle Gui to Zhi Ping and he finally understands the whole situation. Wen Dao arranges to meet him and even admits to his deeds. Wen Dao suggests working together to achieve the unfulfilled dreams of Zhi Ping's mother. He agrees to work with Wen Dao. Unexpectedly, Wen Dao threatens him with the lives of Xue Zhong, Xiao Feng and En Zhe, putting him in a dilemma. 贵叔的儿子将贵叔的一封信交给志平，志平终了解事情来龙去脉。文道约志平见面，承认自己所做的事...

Wen Dao brings Zhi Ping to his childhood home and asks him to crack the password to an old computer to access his mother's research report. Zhi Ping recalls his mother teaching him how to play the piano, which leads to him successfully cracking the password to the computer. Just when he is negotiating the terms with Wen Dao, Si Yun rushes over and asks Wen Dao not to trust Zhi Ping. 文道带着志平来到志平儿时的家，要他破解一台老旧电脑的密码，以找出志平母亲的研究报告。志平想起母亲教他弹钢琴的往事，有所领悟...