A young orphan boy does odd jobs to earn a living for himself and his younger brother and grandmother. He works as a waiter in a restaurant in the evening and cleans water tanks in the day time. One day when he was cleaning a water tank someone traps him inside the tank. No one knows about his whereabouts, Police searches for him and works on different theories to find him. He tries his best to come out and he sends many signals from the tank about his presence in the tank but all his efforts get no results. Twice a day this water tank gets filled with water. He struggles for his life in the tank for 4 days. His mental and physical conditions get bad to worse in 4 days.