Sivadhanu(Cheran) is the eldest son of poor family and educated but unemployed person.He has the responsibility of marrying his sister and taking care of his younger sister

Chokkalingam (Pyramid Natarajan) notices Sivadhanu one day and asks (Janagaraj) about him. He approaches Sivadhanu's family to marry Sivadhanu to his daughter Parvathi(Rathi) .Though Sivadhanu doesnot like the idea to be living in Chokkalinga's house after marriage,mudaliar convinces him.

Soon after moving into Chokkalinga's house,Sivadhanu feels he is treated as man servant and his independence is lost. His friend (Pushpavanam Kuppusamy) stumbles upon him and remarks that one poor person should never be married to rich bride and live with father in law,since they will always treat them inferiority.

Soon Sivadhanu plans to move separately finding a job in NLC as a geologist.Chokkalingam is angry that his son in law has disobeyed him.