Hyder Ali Hassan, a scheming politician, is in league with the underworld and runs a lot of illegal businesses. Balachandran, an IPS officer, is sent on a mission to capture him.

When his son fails to arrive home to attend his daughter's engagement ceremony, aging patriarch Raghava Chakyar waits daily for him at the bus stop. He soon comes to learn that his son, Raghu, was taken into police custody for political reasons and tries to get to the bottom of this.

Driven by the responsibility of supporting his poor family, Balachandran makes a decision to marry a wealthy woman instead of his true love. His choice puts him in a position of influence and power

Aravindan, Chandu and Joy are best friends. Their friendship faces a testing time when Aravindan's sister falls in love with Chandu.