Vetri, a hapless bachelor gets tricked into marrying into a debt-ridden Zamindar family. When a terrorist’s death happens inside Vetri’s apartment, he and his goofy in-laws embark on a chaotic heist to retrieve the body from the mortuary and claim their reward.

It is only after moving in to their shared office space do Karthick and Mellina realize that they are in the same profession — law. So, they decide that whoever gets a case first will stay in the place and fight tooth-and-nail to get a case. Meanwhile, a cop, who is searching for a DVD containing video of his illegal encounter, is after Mellina thinking that she is in possession of it.

A Retired cop with the early signs of Alzheimer's disease, has to crack the case of a serial killer on the run,before he loses his memory.