Jin Wang is an average teenager balancing high school and home life. When he meets a new foreign student on the first day of the school, even more worlds collide as Jin is unwittingly entangled in a battle with Chinese mythological gods.

取经路上，唐僧（贾永泉 饰）师徒四人遇到豹精（王玉清 饰）到员外家抢亲，经过一番搏杀，寡不敌众的豹精暴毙而亡，员外一家很是高兴。次日，一行四人途经牛魔宫，踫上牛魔王与铁扇公主闹家务，悟空（董志华 饰）出言不逊，得罪了铁扇公主。师徒继续西行，这日，他们来到车池国，如今的车池国被妖孽控制，唐僧率徒在此停留数日，捣毁了妖窟，恢复了昔日宁静的生活。红孩儿（穆立新 饰）接其母铁扇公主信告，得知孙悟空冲撞其母，决心为母报仇。观音菩萨得知唐僧师徒有难，差弟子木吒、金吒与哪吒前往相助，最终收降了红孩儿......
故事取材于吴承恩名著《西游记》。