Kalliyur Gopinathan alias Gopi (Mohanlal) is a member of a happy family with carnatic music heritage and he himself is a good singer. Kalliyur Ramanathan (Nedumudi Venu) who is also an excellent singer, is Gopi's elder brother, guru and role model. Ramanathan is married to Ramani (Lakshmi (actress)) and has a son Appu. Gopi is in love with Devi (Urvashi (actress)) who is the sister of Ramani. Raman reigns in the family and in the society with his music. But he turns into alcoholic. Despite several attempts by family members to make him give up the habit and several failed assurances to his family members, he is unable to give up the habit.