A criminal group is facing a change of leadership, and all forces are trying to intervene.

Eighteen-year-old girl Li Qi failed the college entrance examinations. She disobeyed her mother, refusing to return to school to be a returning student. The relationship between Li Qi and her mother worsened. At classmate Xiaowei’s birthday party, Li Qi and Xiaowei had a quarrel. Li Qi smashed Xiaowei’s newly-bought iPhone in a rage. Unexpectedly, her originally peaceful summer life was changed after the quarrel. Facing the crisis of claiming compensation by her classmate, Li Qi chose to hide it from her mother, determined to keep it as her secret and solve the problem alone. And this secret was like a fishbone stuck in her throat, gradually becoming an unspeakable discomfort for her. The bitterness and pains of growing-up come one after another. She began to rethink her relationship with her mother, and her relationship with the world.

Zhang Yao, whose family was destroyed by drug dealers, secretly cooperates with Anti-drug team leader An Du. The two join forces to ruthlessly eliminate the evil and vow to wipe out Mukun and Anpei, the top two figures of the criminal group.