Due to an accident, Xiao Mu pretended to be "Yao Menggui" at the request of his sister Yao Menggui, and transformed from a takeaway boy into a household name actor. Chen Mo, who discovered the doubts, decided to dig up the explosive material and investigate the truth, so he lurked beside Xiao Mu as an executive agent. During the investigation, Chen Mo finally discovered the secrets of Xiao Mu and Yao Menggui. Chen Mo and Xiao Mu also started their own transformation stories because of this "fake" encounter. Just as Xiao Mu gradually adapted to the life of an artist and gradually fell in love with the male protagonist Chen Mo, her sister Yao Menggui returned unexpectedly. Will Chen Mo, who finally discovered the answer to the mystery, choose to expose or protect his lover? Will Xiao Mu continue to rely on his skin to become his sister's shadow? And who is the real manipulator behind this?