After a betrayal leaves Mi Chuxia in a scandal with luxury brand president Tang Jingxing, both their reputations and careers take a hit. To control the fallout, they agree to a contract marriage, turning the gossip into an opportunity.
Dong Ning Shu, director at the Anhe DNA Center, meets a web novel writer, Zhang Xi Da. Although they clash at first, they gradually become close as they work together on various paternity cases and uncover secrets of their own.