Biology professor and her students, including a convent nun go on a field trip, and stay at a Public Rooming House of a male group, led by retired colonel. But fate has other plans for them.
Three criminals, Jagoo, Bansi and Ajit, escape from jail. However, Ajit is murdered and just before dying he mentions the name Pinto. Jagoo and Bansi decide to avenge the death of their friend.