Pachaikili Muthucharam is a 2007 Indian Tamil-language action thriller film directed by Gautham Vasudev Menon. It is loosely based on James Siegel's 2003 novel Derailed. The film stars R. Sarathkumar, Jyothika, Andrea Jeremiah and Milind Soman. The score and soundtrack were composed by Harris Jayaraj. The film was released on 16 February 2007, and performed average at the box office.

Plot

Venkatesh, a medical representative, is happily married to Kalyani, and they both have a son named Nanda. They all have a perfect life, until Nanda falls sick and ends up in a hospital where he gets diagnosed with diabetes and things between Venkat and Kalyani cool down a bit. Kalyani begins to spend more time with Nanda and starts to ignore Venkat involuntarily. Venkat, feeling a bit lonely and neglected, walks in and out of his monotonous life without complaining much. He tries to understand Kalyani's feelings.