In an unforeseen twist of events, Prabu becomes an impromptu calefare on a television show, responding to a desperate call for help from his best friend George Kutty. It's on this chaotic set where fate introduces him to the Nila, and in a moment of confusion, he ends up with her bracelet in his possession. When Nila realizes her that her bracelet is missing, she embarks on a relentless mission to track down Prabu and George Kutty.

Just as Prabu gets closer to reclaiming the stolen bracelet from the antique collector, Ali, a new challenge arises. Alongside his loyal comrades, Bachelor Boys George Kutty and Mama, Prabu hatches a daring plan to infiltrate a lavish event at a high-security mansion owned by a wealthy individual who possess the bracelet. They soon realize their scheme requires an expert and decide to enlist the services of a seasoned professional known only...

"The OG" subjects Prabu, George Kutty, Mama, and Nila to a grueling training regimen, assisted by his intern, Silence, as they prepare for the ambitious heist that will hopefully allow them to retrieve Nila's bracelet. Amidst the relentless drills that fill their days and nights, a rare moment of vulnerability occurs between Prabu and Nila, where she lets her guard down. After years of searching, Thamarai meets Guru for the first time....

The heist at JA's grand Masquerade Ball is in full swing. The team grapples with a series of near-impossible challenges, each one pushing them closer and closer to the brink of danger. Just when all seems lost, an unlikely savior steps in, enabling them to secure the bracelet and slip from the mansion undetected. With her precious bracelet finally back in her grasp, Nila finds herself wrestling with doubts about her return to Nithyavanam.

In a sudden shift, Prabu resolves to turn over a new leaf. However, this decision is met with resistance from Baraboi, who injures Prabu during a heated exchange, making Nila incensed. As the Bachelor Boys and Nila gear up to face Baraboi, they're taken aback by the unexpected presence of Thamarai and Guru during their confrontation. Nila finds an unexpected kinship in Guru's predicament which mirrors her own and begs him to remain uninvolved.

Guru finally unveils his guarded past, sharing his heartbreaking story about Thamarai with Nila. He cautions her that defying destiny can lead to catastrophic outcomes. As he delves into his history, Thamarai regains her forgotten memories of Radha and prepares herself for what lies ahead. Nila begins to obsess over Prabu's safety, attempting to confine him at home to prevent harm. However, Prabu's determination to see her lands him in grave...

Nila decides to go against destiny to give Prabu a second chance, ready to risk everything she has worked for, despite Sreemanthi's attempts to dissuade her. As Prabu regains consciousness, he finds comfort in the presence of George Kutty, Mama, and Deepa. Plagued by an overwhelming emptiness, Prabu embarks on his journey to recovery, in preparation for the next chapter in his life with Deepa.

An amazing opportunity arises at Prabu's workplace to visit an overseas museum for research. Landing in Switzerland, he tours the museum, feeling an intense, inexplicable connection to it. As he struggles to unravel his emotions, he encounters a woman standing precariously on a bridge. After spending an unforgettable day together with her, Prabu finally uncovers the missing piece that fills the void in his life.