Black Girl is a deaf-mute prisoner. Prison guard Deng Hong found White Fox, a prisoner who understands sign language, to supervise her transformation. The two made money together after serving their sentences, met Deng outside the prison.

Tang Ren and Qin Feng travel to Japan to investigate the death of a mafia head. As they suspect foul play, they engage in a battle of wits against foreign detectives.

Ma Tianze and Xia Mo, a couple navigating city life, decide to break up but must first complete their quirky "breakup list." As they tackle the tasks, they revisit three years of love, growth, and challenges, questioning whether their story is truly over.