Qiu Shui (Han Geng), a student of Medical University, is close friends with Houpu (Jaco Yu), Huangqi (Yang Di) and Xinyi (Zhao Yiwei). In adolescence, under the control of exuberant hormones, they are extremely energetic and constantly looking for "hunting" objects.

Xiao Man (Li Meng), who is in bud, is Qiu Shui's first love. The white dew (Qi) with tight thighs is the predecessor who dedicated her virginity to Qiu Shui; Mature woman Liu Qing (Fan Bingbing) is a charming goddess in Qiu Shui's eyes; Juaner (Shen Tingting) with a big chest and no brain is the treasure in Huang Qi's heart; The maverick Wei Yan (MoMo Wu) is the true love that Hou Pu can't wait for; Only faithfulness is the only thing in the whole university.

Youth is drifting away in the release of hormones again and again. ...