Mohanlal and Mammootty are pharmacy executives and happen to be roommates. Both have a very distinct outlook towards life yet are friends. On a visit to Mammootty's village Mohanlal falls in love with Shobana, Mammootty's sister and likewise Mammootty is in love with Mohanlal's sister, Anitha. But will the couples remain happy after they get married and tried to cope with their partner's distinct way of life?