Kit lands a summer job writing a children's column for her local newspaper. She decides to look for story ideas at the Cincinnati Zoo, where her friend Stirling works as a guide and her old friend Will, the hobo, has a job cleaning cages. As Kit noses around the zoo, she stumbles into some strange doings in the monkey house. Her reporter's instincts tell her that she's onto something worth investigating--and she's determined to get the story.