When The Baby-Sitters Club gets into a huge fight, Mary Anne is left to her own devices. She has to eat by herself in the school cafeteria, figure out how to make new friends, and deal with her overprotective father. But the worst happens when she finds herself in a baby-sitting emergency and can't turn to her friends for help. Will Mary Anne solve her problems and save The Baby-sitters Club from falling apart?


保姆俱樂部裡的紛爭越演越烈，瑪麗安只能自力更生。她只能在學校餐廳獨自一人吃飯，想著如何結交新朋友，同時又得應付她那過度護女心切的爸爸。最糟糕的是她在當臨時保姆時遇到了緊急狀況，身邊卻沒有一位朋友能夠協助她。瑪麗安能夠解決眼前的難題，挽救保姆俱樂部面臨解散的命運嗎？