Yao Ke's mother was declared a suicide, but he suspected it was not suicide, so he made a deal with the police and was willing to pretend to be Su Liwen, the nephew of the black boss who died in a train accident, and be an undercover agent to get close to the black boss, as long as the police helped him investigate the cause of his mother's death. So he returned to his country. At first he thought he was smart enough to handle it, but slowly he found that everything could get out of control at any time. At the same time, he understood that Su Liwen was not his identity, and his current life did not belong to him, and the friendship and love he had now was nothing more than the moon in the mirror, a bizarre dream...