Xu Nuo has been unanimously recognized by her friends as having a "mistress face" since she was in school. She never dreamed that one day she would actually become a mistress. Although Boss Chen looks sanctimonious, and is recognized by everyone as a tall, handsome, rich and diamond king, this mistress is really not easy to be a mistress. Not only does she have to accept the retaliation and cynicism from the "grandma", but she also has to deal with all the mistresses, mistresses and mistresses on behalf of Boss Chen.