During a mission, after Cui Bin killed all the mission targets, a girl who was not on the list was left behind. Killer. In order to make a living in the world, Cui Bin went to apply for a job at the front desk of the hotel, and by accident, he became the nanny of the daughter of the Ruan family, one of the three wealthy families. In order to defeat the rival in love, a hidden sect of extraordinary strength was involved. In order to marry Ruan Qingyu, he defeated the rival in love and the organization behind him, and finally got his wish.