Xiao Baiyu is the CEO of the Feng Sheng Department store. He is the illegitimate younger grandson of the Xiao family. He was made CEO when his elder half-brother Xiao Junjiang had an accident and Junjiang resents Baiyu for this. Tong Tong is a reporter who inherited a strange disease from her father – once she kisses a mammal, she becomes a man within three minutes. One day, in order to change back to a woman, Tong Tong kisses Xiao Baiyu in her male form, which starts rumours that Baiyu is gay. To dispel the rumours, Baiyu asks Tong Tong to pretend to be his girlfriend.
