Synopsis: The daughter of the group promised to fall from the building accidentally, and the miracle was "resurrected" after the extreme rescue, but her temperament changed greatly, from a sweet girl in love to a cool sister. promised to suspect that she fell from the building because her newlywed husband Gu Yanyi killed her in order to get the group. In order to investigate the truth and take back control of the group, he promised to return to Gu Yanyi and start a sweet love that loves and kills each other and pulls to the limit. As the investigation progresses, it is promised that the real culprit is found to be someone else. At this time, the news that she had a twin sister has not gone away, and she faces an identity crisis ...... leaving her with nothing