A wanted thug named Mangu, ran away to a cave and met a hideous creature named Babou Balam who gave him evil powers and told him to protect the key of evil. One night, Mangu emerged from the tower clock and ordered the people of Roshan Nagar that he is now their king. Three friends, Saadi, Amna and Kamil want to find out about the tower and want to defeat the thugs even though Saadi's mother orders him not to pay attention to it. The three enter the tower and are granted powers by unknown creatures.