Josekutty is a hard-working auto rickshaw driver from a good family. Josekutty falls in love with Jansi, whose sister Nancy is an unwed mother of a boy. Josekutty is asked to see Nancy for an arranged marriage, and he mistakenly thinks that Jansi is Nancy, and he agrees to the marriage.

The lives of three friends and their families are compromised as they become victim to a series of murders. Will the mystery behind the murder unfold?