Thuruppugulan story is targeted on Kochuthoma (Harmless) and his son Kunjumon (Mammootty). Kochuthoma is operating a typical avenue aspect "thattukada" in Kochi. On the age of ten, Kunjumon by accident injures an individual. After the incident when his son confronted hassle to remain at Kochi, Kochuthoma despatched him to Kozhikode to stick with his expensive buddy Swami (Jagathy).