A major incident where Zhao Shize provokes Sanzai by asking if their mothers are still crazy and commenting about mental illness being hereditary. Sanzai charges at Zhao Shize, escalating into a full brawl involving over ten children. The Three Cubs take the worst beating. The fight is resolved when Zhao Shize's parents arrive, his mother educates him on empathy, and he sincerely apologizes to the Lin family.
