Ramakrishnan (Prabhu) has a suspicious-minded wife, Mythili (Abhirami), who thinks he is always having an affair with another woman, even though he is extremely faithful to her and wouldn't dream of betraying her in any way.
Vishva (Livingston) has been married to a trusting Amudha (Vindhya) for several years. Seemingly unknown to Amudha, he has been having several affairs with numerous gorgeous women, but in the end she reveals that she knew all along and thought that he would change ("I want you to be my husband in all my births").
There is also...