In a world plagued by demons who cause great human suffering, young demon hunter Xuan Zang risks his all to conquer a water demon, a pig demon and the demon of all demons, Sun Wukong. Adhering to his firm belief in giving of one’s self for the greater cause, he embraces the demons as his disciples. However, in order to atone for their own sins and save the common people, the four of them must embark on a journey to the West that’s full of challenges.