Xiao Bai Yu is the CEO of the Feng Sheng department store. He is the youngest illegitimate grandson of the Xiao family. He was appointed CEO when his older half-brother, Xiao Jun Jiang, was in an accident, and Jun Jiang blames Bai Yu for it. Tong Tong is a journalist who inherited a strange condition from her father: once she kisses a mammal, she turns into a man within three minutes. One day, in order to return to her female form, Tong Tong kisses Xiao Bai Yu while he is in his male form, sparking rumors that Bai Yu is gay. To dispel the rumors, Bai Yu asks Tong Tong to pretend to be his girlfriend.