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.
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
Satyapratapan (Mammootty) and Kuruvila (Innocent) are chronic bachelors. Sp's sister Sandhya lives as a paying guest in their neighbourhood. Problems begin when Mukesh and Harishree Ashokan join Mammootty and Rambha joins Sandhya.