Movies like Blackmail

Dev Kaushal is a full time working man with an unexcited life on the requests of his friend Anand.He decides to surprise his wife Reena in order to make it exciting.But when he reaches home to surprise her he is shocked to see his wife with her boyfriend Ranjeet.Dev then decides to blackmail him and extort money from or else he will tell about his secret affair to his wife Dolly.