Xiaoyu, an adolescent girl, grew up in a remarried family. Due to the special family environment, she could only rely on the warmth provided by her grandmother. As she grew older, she began to have her own thoughts in the rebellious period. She could not withstand the temptation of a thirty-year-old man Qin Baogang, and she began to fall in love early. As their relationship continued to deepen, Qin Baogang finally accidentally killed his grandma because of a pack of ecstasy pills and fled. Recalling the strange looks she received from her classmates during this period, coupled with the teacher's earnest teachings, these made the young Xiaoyu start to wake up. In order to cooperate with the police to catch the murderer, what will she do? What will happen to everything...
