Sreedharan is a kind-hearted lorry driver who helps people in times of need. However, his life becomes hell when his beloved friend tries to interfere in his personal matters.
Georgekutty, who is obsessed with the beautiful Sundari, uses his wealth to disgrace her and her family. Unable to bear the suffering, Sundari runs from her home and meets Maadan, a labourer.
Jnanambika, the heroine of the film, is the daughter of a wealthy landlord, Rajasekharan. After the death of her mother, her father marries again. Rajamani, the villainous second wife tortures Jnanambika, forcing her to run away from home.