Panchathantiram

Panchathantiram English Five Ruses is a 2002 Indian Tamil comedy film directed by K. S. Ravikumar and written by Crazy Mohan. The film features Kamal Haasan, Simran and Ramya Krishnan in the lead roles, with a large supporting cast including Jayaram, Ramesh Aravind and Nagesh.

Ramachandramoorthy alias Ram. C. M or Ram Kamal Haasan is a pilot based in Canada and an irredeemable womaniser. In the course of a midair hijacking, he meets Mythili Simran. Mythili and Ram stop the hijacking and save the plane. They fall in love and get married.After marriage Ram quits his playboy character and remains faithful to his wife. Rams four closest buddies, Nair Jayaram, Iyer Yugi Sethu, Hegde Ramesh Aravind and Reddy Sriman are present at the wedding . One day, when Ram prevents Hedges exgirlfriend, Nirmala Devayani, from committing suicide, Mythili misinterprets the situation. She presumes that he is having an affair with her and leaves him to be with her parents. Further misunderstanding occurs when he sets out to meet Mythili, drunk, in the middle of the night and enters the wrong house. ........

Source: Wikipedia