Koi Hai (2003)

Embedded with terrifying thrills and scintillating suspense, this dark crime drama delves into the twists and turns in the life of Raj, a handsome young man. He is married to Shefali, a beautiful young woman, but their relationship goes awry when Raj finds himself deeply attracted to Lisa, a sensual dancer. As Raj and Lisa's relationship grows into a fully blown extramarital affair, with Lisa becoming more and more demanding and forcing him to give her the status of a wife, Raj becomes desperate. He decides to eliminate his wife altogether and hires a contract killer to do the dirty work for him. However, in a strange and terrifying turn of events, he finds the assassin dead in his living room. Who is the unidentifiable culprit?