Tan Dongdong, aged 16, rode a motorcycle for a living. On his way to get back his ex-girlfriend Lin Qing, Tan Dongdong accidentally got acquainted with hair salon girl Wu Xiaoxia. After learning that Lin Qing had left with another man, Tan Dongdong gradually developed feelings for Wu Xiaoxia. At Tan Dongdong’s request, Wu Xiaoxia agreed to give up her job as a prostitute in the hair salon. However, when Tan Dongdong found out that Wu Xiaoxia had violated the agreement, he chose to take revenge…