After his marriage, the wife of a loving elder stepbrother sends his brothers out when he goes to Madras. The older of the two toils and becomes a taxi driver. The younger strays and gets mixed up with some wrong-doers. He marries a girl from a rich family. The girl's uncle is a smuggler who sells drugs using his older brother's lorries.
Starring Sivaji Ganesan, Rajnikanth, Ambika