Unni, who his family thinks is an NRI, is actually a smuggler known as Walayar Paramasivam. Problems arise when his finance finds out his identity and his brother becomes a police officer who is in pursuit of Paramasivam.
Dileep plays a movie ad poster , who is the only witness to stand up to go to trial for a murder committed in public by a powerful thug , and has to deal with the consequence.
Chanthu posts fake love letters to an imaginary girl Vasumathi, so that his landlord's daughter Indira who is in love with him won't pursue him. Things go awry when a real Vasumathi receives the letters and start looking for Chanthu