Twenty-four-year-old young teacher Lin Lin once fell deep into learning difficulties and tore up thirty-seven test papers. Coming to Class 7 of Grade 2 to be the homeroom teacher, she met students with various scars: the rebellious Chen Ye, Zhang Mo caught under heavy family pressure, Lu Yi making a living by working odd jobs, and Su Han, the top student with a tough mouth and a soft heart. She jumped out of traditional teaching frameworks, using daily fun stories and internet memes to build a "wild-style" classroom. Facing parents' incomprehension and controversies from the teaching-research community, she guarded her original educational aspiration, not only chasing scores, but also healing the inner dilemmas of the youngsters. Between companionship and tug-of-war, a crowd of rain-drenched children slowly broke free from shackles, completing self-reconciliation and growth.