Zhang Xiao and Cui Yan are two young people from Ming'an City. Zhang Xiao's special physique was completely inspired by the unlucky Cui Yan. Cui Yan's life is extremely low, so he often sees Ah Piao. This situation has become more and more serious since he moved into this apartment. Until one time, Cui Yan almost lost his life. Fortunately, Zhang Xiao stepped forward to save Cui Yan's life. After that, the two signed a magical contract with the ghosts in the building...
