Josh's mom thinks Josh is too old for Mr. Humphries, his teddy bear. But when Josh has to stay at the summer cottage with Grandpa, it's Mr. Humphries who keeps him company at night in the attic room, on the long dark walks to the outhouse, and even for boat rides on the lake. When Mr. Humphries has anadventure of his own, Josh isn't sure he's ready to let him go.