Shy Mary Anne is left to her own lonely devices when a fight splits up the Baby-Sitters Club girls. Mary Anne draws on her own strength to face her overprotective father and make new friends. After resolving a daunting baby-sitting problem, Mary Anne finds a way to reunite her Baby-Sitters Club friends.

Starting a new school is scary, even more so with a giant hearing aid strapped to your chest. At her old school, everyone in Cece's class was deaf. Here she is different. She is sure the kids are staring at the Phonic Ear, the powerful aid that will help her hear her teacher. Too bad it also seems certain to repel potential friends. Then Cece makes a startling discovery. With the Phonic Ear she can hear her teacher not just in the classroom, but anywhere...