When Logan's dog runs away as he and his mother are moving to a new home after his parents separate, a girl named Hannah, who longs for a dog of her own, finds him.

Sam chooses a guinea pig named Henry to be her pet, envisions a dog named Nelly visiting and helping her younger brother Liam feel comfortable in his kindergarten class, and encourages Liam to also get a guinea pig as a pet.

Amy lives and breathes horses, but all her horses are in books or in her head. So when she goes on a picnic with her friend Hannah's family, Hannah thinks Amy is imagining things when she says she heard a horse neigh nearby. But then Hannah hears a neigh, too! What's a horse doing in the park? With a little help from Mona at the Rainbow Street Shelter, Amy makes sure the horse is safe and sound. She almost hopes the owner never turns up, so that she...