The Wrong Dog to Mess With

Bachelor Zhang Dashan gets a mystical dog, Wangcai, from an immortal. Wangcai, a descendant of Heaven-Devouring Beast, wears a god-binding chain. Thief Chen Shi's gang steals him and unlocks the chain. Demonic Wangcai wreaks revenge until Zhang Dashan restrains him. Bureau 749 recruits them both.