Bobo does not want to go to bed. He is sure there is someone hiding beneath it, just waiting to jump out and grab him. Bobo's grampa Boo-Dad knows all about those fearful creatures, when he was a youngster he had some pretty close encounters of his own. And he knows exactly what to do to scare the little terrors away. But Bobo is finding something out: some creatures are not as bad as they're made out to be. What if he makes up his own mind about the thing underneath his bed? What if he takes a chance - and sees what happens ...