The black angel Mo Ran stole the green spot in the heaven, and Ning Feifei was ordered to take it back. Mo Ran escaped to the human world and hid here under disguise. Sensing the existence of green spots in a certain university, Ning Feifei transformed into a human and mingled among the students, and met her friend Chen Yinmei, but unknowingly fell in love with the human boy Chu Linmu...