On the day he agreed to sign a mutual divorce in court, Siddharthan, who is also a lawyer, cheats on his wife Lakshmi, and goes on an inland drive. He urges Lakshmi to postpone the divorce, citing their daughter Tara's future, but the attempt fails. On his way back, he meets Sathi and her dumb daughter who are leaving their home due to marital issues. The meeting changes Siddharthan's outlook on life.