Baron von Bubbles (Bub) the pug, Duchess the cat, and their human, Bella, are going to the countryside to visit Bella's grandmother for a few days, where they expect to have fun building forts and dressing up in the attic--but the attic seems to be haunted, and neither Bub nor Duchess can summon up the courage to face the ghost.

Sophie Mouse wants to prove how wonderful mice are for a school project she is doing with her brother, Winston, but starts to have doubts when, even with Hattie and Owen's help, she is unable to learn to swim.

"Sophie Mouse's brother, Winston, wants to help her build a fort in the woods, but Sophie Mouse tells him he should go home because he's too little. When she realizes that she could use his help, he's nowhere to be found!"--