Chanjattam

Married couple & coworkers Mohan (Jayaram) & Yamuna (Urvashi) separate while Yamuna was pregnant, because Yamuna wouldn't forgive a one-night stand Mohan had with her friend. Years later, they run into each other at a new workplace, & Mohan, realizing he still had feelings for her, tries to get her back, but Yamuna spurns his advances. (Summary by iceblox)