Clementine is supposed to be on her way to school... but why not go out for a day of adventure and exploration instead? She recruits her friends Nubbins Squirrel and Penelope Rabbit and head to the beach, where Jesse Otter is preparing to take his giant Turtle, Annabella, to a mysterious local island. Clementine's great-aunt Marnie lives there--far away from math tests and tutors--so Clementine and her friends hitch a ride to the island as stowaways....

Ever since she was a puppy, Stella was trained to use her powerful beagle nose to sniff out dangerous chemicals to help her handler keep people safe. But during a routine inspection, Stella misses the scent of an explosive. The sound of the blast is loud and scary. Unable to go back to work because of her anxiety, Stella is retired as a working dog. When a young girl named Cloe wants to adopt Stella, the beagle knows this is her last chance to prove...