The Hindu gods are unhappy because demons are attacking the holy men who bring harmony to the world. The demons are sent by the evil Ravana, who cannot be killed by a god, but only by a man. The gods decide that Vishnu will be born in mortal form to take on Ravana.. In the Kingdom of Ayodhya, King Dasharatha longs for a son. Then his wives give birth to four sons, one of whom is Rama, the most powerful human alive.