Sathyajith, Assistant Commissioner of Police, along with his team is assigned to handle controversial and complicated cases. One day, while fishing on a lake side, a man finds a garbage bag trapped inside his net.

The hidden secrets of an attempted murder are revealed through portrayal of circumstances that three different girls pass through in their life.This film shows how three different girls from three different social and economic backdrops try to cope with their life against all odds. Their crisis gets deepened and dangerous due to the attitudes of their parents. The experiences they go through prove that lack of love and affection is the prime reason that made hell out of their lives. Lack of love and affection leads one to violence and to destruction as well. Dalamarmarangal establishes that love is the one and only antidote to violence.