Twins Ban and Aba are born to the royal couple. Ban is destined to be a bad individual while Aba will be good. Ban is sent away to be killed but the servants leave him on a tree. He is taken by the bandits who raised him up to be a bandit. Aba is taken is taken by a witch who raised him and eventually fell in love with him. When the twins became full grown men, they returned to their mother. Ban became a reformed bandit while Aba falls in love with a princess whose sister is held captive by four giants. The brothers joined the forces of the princess composed of mountain tribes and aboriginal pygmies then went to the Sinukuan mountain to rescue the princess sister and kill the four giants guarding the enchanted mountain.