Eighty-year-old Ma slips into a deep depression after the death of her husband. Despite her family's cajoling, she refuses to leave her bed. Her responsible eldest son, Bade, and dutiful, Reebok-sporting daughter-in-law, Bahu, attend to Ma's every need, while her favorite grandson, the cheerful and gregarious Sid, tries to lift her spirits with his guitar. But it is only after Sid's younger brother--Serious Son, a young man pathologically incapable of laughing--brings his grandmother a sparkling golden cane covered with butterflies that things begin to change.