When Marion finally gets the chance to babysit her little sister, she finds that the task is harder than she expected, especially when she gets called to the Critter Club to help with a stray cat and must bring Gabby along.

When a broken ankle forces Marion to withdraw from the horse show, she finds a way to stay active by helping her friends at the Critter Club animal shelter find homes for a litter of kittens.

When Ellie joins a softball team, she quickly realizes that the sport is harder than it looks! Is she meant only for the stage, not the field? And what happens when Ellie goes searching in the woods near the field for a stray ball and finds an injured baby deer?!

Liz is excited that her three best friends are visiting her family's cabin at Marigold Lake, but something seems to go wrong with every activity she planned.

"Amy has never liked being in the spotlight. When all her friends decide to form a team for the Santa Vista Quiz Bowl, Amy's not so sure. She knows she can answer the quiz questions...but can she do it in front of hundreds of people? Meanwhile, The Critter Club is caring for some chickens who need a home. As the Quiz Bowl approaches, Amy herself starts feeling just a little bit chicken!"--

Taking a turn caring for the class pet hamster, Marion is devastated when the hamster goes missing and she receives an anonymous letter in her locker with clues leading to a mysterious scavenger hunt