Jameskutty Chacko aka Kuttichan (Nedumudi Venu) is an ex-Non-resident Indian and person of Indian origin settled in a hilly town along with his wife, Sarah and three children. One day, James and Sarah are forced to rush back to the USA to look after his brother-in-law, who gets critically injured in an accident. Despite Sarah's protest, James resorts to entrusting his children's custody to his younger brother Charlie Chacko (Mohanlal). Charlie has a heart of gold, is very fond of pets, especially rabbits, and is good in music and dance. However, he is Obesity and asthmatic, while leading a solitary life spending his spare time smoking and drinking, as a result of a bitter past. Sarah considers Charlie responsible for the untimely demise of her younger sister Rosie (Charmila), who once used to be Charlie's love interest.