10-year-old Szu Ting just had a baby brother. She assumes her parents only love the baby. When she notices a lump in her chest, she suspects she has breast cancer. Facing her fears alone, Szu Ting tries reaching out to her parents for help, but fails to get their attention. How will Szu Ting make it through the last 30 days of her life?

According to the biggest dating website's research, teacher is among the top five professions most likely to cheat, and their students' parents are among the people whom they cheat with. Xiao-xiao, who has mild ADHD, is the troublemaker in her class. But she has her own trouble - her mother Wei-fang and her homeroom teacher, Paul, have started a romantic relationship as a result of discussing her ADHD conditions.

Hsiao-lee, a young girl, finds solace in her friendship with Li-li, who embodies the dreams Hsiao-lee had suppressed. However, Hsiao-lee's aspirations are challenged by her mother's past, which mirrors her own struggles and traps her in a cycle of despair.