Yinchen and Yinxi are a pair of very close sisters. Yinxi is the boss of SHERO, an all-female bodyguard company she set up after their parents were murdered 7 years ago. While protecting a famous Korean soccer player Kim, Yinxi and team faces off with a mafia gang in their riskiest assignment to date... 张尹晨与张尹夕是对感情深厚的姐妹。妹妹尹夕自从父母7年前被杀害后，便开了一间女保镖公司SHERO。在有史以来危险指数最高的任务中，尹夕与旗下女保镖保护来新的韩国著名球星金东炫，遇到黑帮袭击…

Yinxi escorts socialite Gina to Australia for an auction, Yinchen tags along. Gina sells her necklace at a high price to Mr and Mrs Yue Feihong. Right before the assignment ends, Yinxi gets into a conflict with Gina. The two sisters plan to meet after the mission, but Yinxi fails to show up; unbeknownst to Yinchen, Yinxi is being pursued by a mysterious killer... 尹夕护送名媛Gina去澳大利亚参加拍卖会，尹晨也随行。Gina的钻石项链以高价卖给了岳飞弘夫妻。尹夕在任务结束前与Gina起了争执。两姐妹约好在尹夕任务结束后见面...

Unable to find Yinxi, Yinchen makes a police report. Ruixiang notices that someone is tailing him and injures himself accidentally. At the hospital, Ruixiang runs into Yinchen, who is still trying to look for Yinxi. Ruixiang offers to help put up a search notice. Police investigations show that Yinxi is likely dead, leaving Yin Xi devastated...尹夕下落不明，尹晨决定报警。锐翔被人跟踪，导致他不小心受伤。锐翔与尹晨在医院巧遇，锐翔发现尹晨正在找尹夕，主动提供援助，帮她发布寻人启事。警方经过调查后，称尹夕凶多吉少，尹晨绝望…

A devastated Yinchen returns to Singapore, Junsheng consoles her. With Yinxi gone, Yinchen considers closing down SHERO, leaving the team heavy-hearted. Junsheng is the finance manager at RSB and also Ruixiang's good friend, but he has yet another identity. After watching Yinxi's interview about SHERO, Yinchen decides to take over the company to continue her sister's legacy...尹晨黯然回到新加坡，俊生安慰。尹夕不在了，尹晨考虑关闭SHERO，团队心情沉重。俊生不仅是RSB的财务经理，也是锐翔的好朋友...

Yinchen starts undergoing various training to become an excellent bodyguard like Yinxi. As part of her training, Yinchen is assigned to a new case together with Jingyu. Dai Guowei hires Xinya and Meizhen, but his inappropriate behavior triggers painful memories for Xinya. Ruixiang is attacked by an assassin, and Junsheng intervenes just in time to save him... 尹晨开始接受各种训练，努力成为像尹夕一样优秀的保镖。尹晨接受挑战，和静予负责SHERO接到的新案子。戴国威雇佣馨雅和美真，过程中他对馨雅动手动脚，刺激她忆起过往的伤痛。。。

Ruixiang is hospitalized. Junsheng suspects the assassination is related to RSB's illegal doings. Yinchen officially completes and passes the bodyguard training. Ruixiang requests for Yinchen to be his bodyguard; Yinchen takes up this job with Jingyu. Yinchen confesses her feelings to Junsheng, only to realize that he sees her as a friend. The person that he likes is actually Yinxi... 锐翔昏迷入院。俊生怀疑这次暗杀与RSB的非法勾当有关。尹晨完成保镖训练，正式成为保镖。锐翔点名要求尹晨保护...

Yinchen senses that Yinxi is still alive somewhere! Ruixiang suggests finding the mastermind before going to Australia to find Yinxi. Ah-biao is about to kill Dai Guowei when Meizhen and Zihan intervened. The assassin strikes again, and Ruixiang displays impressive combat skills, leaving Yinchen curious about his true intentions of seeking protection from her... 尹晨感应到尹夕还活着！锐翔建议找到幕后黑手才去澳大利亚找尹夕，免得打草惊蛇。阿标要对戴总下手，幸好美真和子涵及时出现。锐翔和尹晨遇到杀手袭击，锐翔身手了得...

Code discovers a confidential folder named RC in Yinxi's laptop; Yinchen suspects it is related to the mysterious man R. Xinya recalls that Ruixiang has met Yinxi in Australia. Code unlocks the RC folder and uncovers criminal evidence of Guowei Medical Group. Ah-biao kills Dai Guowei, but sets up his death as a suicide. Using a test email, Yinchen confirms that Ruixiang is indeed R... Code骇入尹夕电脑发现RC机密文件，尹晨怀疑和神秘人R有关。馨雅指出锐翔在澳大利亚见过尹夕。Code解锁RC文件...

Yinchen confronts Ruixiang; he finally admits to working with Yinxi on a project named Robinhood'. He suspects that someone in SHERO had betrayed them, causing him and Yinxi to be hunted down. Yinxi is in a hospital in Australia, but her memories are fragmented. Targets of the Robinhood project had their secrets exposed on the dark web; Yinchen wonders if it was Ruixiang's doings... 尹晨确认锐翔是R，持刀对峙。锐翔解释与尹夕合作Robin Hood计划，猜测SHERO有内鬼，自己和尹夕才被追杀。。。

A hidden camera is found in Yinxi's office, confirming the presence of a mole, but everyone denies involvement. Junsheng suspects Ruixiang and Ah-biao is involved in Dai Guowei's death, but police could not find incriminating evidence. Meihua bears a grudge against Gina over a necklace. Xinya takes urgent leave and excuses herself from work, hence becoming the biggest suspect for the mole... 尹夕办公室里有针孔相机，证实公司有内鬼，但众人否认关系。俊生怀疑锐翔与阿标和戴总的死有关...

Yinchen and Ruixiang catch Xinya stealing money. Xinya denies betraying Yinxi, but refuses to explain herself for the theft. Yinchen announces to the team that Xinya is the mole, but they still need to find concrete evidence before handing her to the police. Ruixiang finds a bugging device below his desk, and begins to grow suspicion towards Junsheng... 尹晨和锐翔抓到馨雅偷钱。馨雅否认出卖尹夕，却不解释自己偷钱的原因。尹晨对公司成员宣布内鬼就是馨雅，只是需要找到有力的证据将她绳之以法。锐翔在自己的办公桌下找到窃听器，开始对俊生起疑…

The key evidence finally surfaces, allowing Yinchen and Ruixiang to identify the mole. However, it is still unknown who wanted Yinxi dead. Yinxi manages to recall Yinchen's phone number and tries to contact her. On the 30th anniversary celebration of RSB, Junsheng secretly monitors the interaction between the Yue family and Thomas, while Ruixiang confesses his feelings for Yinchen... 指证内鬼的关键证据出现，让尹晨锐翔终于确认了内鬼的身份，但是尹夕被追杀的原因仍是个谜。尹夕好不容易想起尹晨的电话...

At the banquet, a guest suddenly attacks Feihong and injures him. Meihua captures the attacker and reveals that he was hired by Gina to target her. Feihong confronts Meihua and she admits to engaging in illegal transactions with Gina. Ruixiang secretly listens in on Jun Sheng and finds out that the man who was after Yin Xi is a professional assassin named Mercy... 宴会上，一位宾客突然袭击飞弘，导致飞弘受伤。梅华抓到袭击者，原来是Gina聘请来对付梅华的。飞弘质问下，梅华承认和Gina从事非法交易。锐翔窃听俊生...

Meihua orders Ah Biao to eliminate Gina. The police inform Yinchen of Yinxi's whereabouts. The SHERO team is delighted, and Yinchen makes plans to go to Australia immediately. Mercy finds Yinxi before Yinchen does, and attempts to kill her, but Yinchen and the others arrive just in time to stop him. As they question Mercy about the mastermind, Mercy gets shot by a sniper... 梅华命令阿标尽快除掉Gina。尹晨等人得知尹夕下落，欣喜不已，尹晨立即安排飞往澳洲。Mercy抢先一步找到尹夕，就要对尹夕下手...

A photo of Ruixiang is found in Mercy's phone; Junsheng suspects Ruixiang is somewhat related to the mastermind. Yinchen realizes Junsheng has feelings for Yinxi and encourages him to woo her. Yinxi could not recall who could have wanted her dead. Gina hires SHERO's protection to go to her flour factory in Malaysia; there, the bodyguards discover her true identity... 众人在Mercy手机里发现锐翔照片，俊生暗自怀疑锐翔跟幕后黑手有关。尹晨得知俊生喜欢尹夕，鼓励他追求。尹夕始终想不起会是谁要对付自己，不禁懊恼。。。

Gina is killed by a masked man. Yinxi remembers Mercy saying that the mastermind is someone from RSB, and thinks that it is Ruixiang, putting Yinchen in a spot. Ruixiang suspects that his family is involved in illegal dealings, but his parents deny it. Code confesses to Xinya again but is rejected, Jingyu comforts him. Looking through the RC folder, Yinxi recalls more crucial moments...Gina被蒙面男杀死。尹夕想起Mercy说，要对付她的人来自RSB，便认为是锐翔，令尹晨为难。。。

Yinchen breaks up with Ruixiang. Yalian tells Yinchen about the death of Ruixiang's ex-fiancee Xiaomin, hoping Yinchen could give him another chance. When Yinxi is assaulted and the sisters are in danger, Ruixiang saves them, gaining back Yinchen's trust. Yinxi finally remembers Junsheng and how she feels towards him. Yinchen accompanies Ruixiang on his work trip, where he planned a surprise... 尹晨提出分手，锐翔心痛。亚莲告知锐翔前未婚妻晓敏之死，求尹晨给锐翔机会。尹夕被袭击，两姐妹有危险时...

Yinxi remembers that she was investigating their parents' death before she was attacked. Feihong realizes that Yinchen and Yinxi are the daughters of Zhang Tianyou; Meihua admits that she wants Yinxi dead. The police investigate RSB for illegal activities. In order to protect his wife and son, Feihong decides to surrender himself to the police...尹夕想起自己出事前是在调查父母当年的死。飞弘发现尹晨尹夕就是当年张天佑的女儿，梅华承认是自己对付尹夕。警方调查到RSB的一些非法勾当，飞弘在与梅华分析利害关系之后，决定替妻儿顶罪，向警方自首…

Ruixiang discovers that Thomas was the one who assaulted Xiaomin and wants to seek revenge for her. Yinchen arrives in time to stop him. Meihua mentions that it was her plan to separate Ruixiang and Xiaomin, Yalian overhears this and collapses from shock. Yinchen suspects that there is something wrong with Ruixiang. She tries to investigate, and the results confirms her suspicions...锐翔发现Thomas就是当年侵犯晓敏的人，要为晓敏报仇。尹晨及时出现，阻止锐翔的行动。梅华说出是自己设计拆散晓敏和锐翔...

Meihua tricks Yinchen and Yinxi to go to Australia with her, where she has arranged for hitmen to kill the sisters. Fortunately team SHERO is already prepared for the situation. Junsheng discovers Meihua's base for her dark web operations and rushes over to Australia with Ruixiang, just in time to see Yinchen and Yinxi confronting Meihua. Just then, a gunshot is heard...梅华找借口要尹晨和尹夕保护，骗她们去澳大利亚，实际上安排了杀手对付她们俩，所幸SHERO早已有所准备。俊生发现梅华经营的暗网基地...