Li Yang, a boy from a single parent family, has suffered from campus bullying for a long time. Feng Xiaoao, an honest and kind-hearted sunshine boy, he comes forward and they become best friend. Liyang secretly falls in love with monitor Yin Ze, who is also a boy. Unexpectedly, the secret is exposed, and Liyang becomes the target of public criticism. The ridicule of classmates and the contempt of teachers make Liyang fall into an endless abyss. The appearance of Feng Xiaoao saves the boy in the abyss and leads him to the light.