The optimistic and cheerful mountain orphan Huzi accidentally swallows a red pearl, a treasure of Yang, and befriends the cold captain, who is also a clean freak, Qi Xiao Xuan, a national demon master. The two young people with very different personalities are forced to go on the road together because of a red pearl, and they make friends with Zhao Xin Tong, Wang Yu Qian and others.