Helen, Margy, and Rose travel to Crag House for their vacation only to discover a rundown and dirty lodging with swarthy guests and indigestible food. The owners refuse to allow the sisters to leave, but fortunately, Joe Morris arrives and rescues the girls from their prison. The sisters relocate to Peach Farm and finally begin their vacation. However, Rose is overcome with worry about Joe's safety in his current job and is unable to enjoy her vacation. Rose's worst fears come true, and the Blythe girls experience several harrowing experiences before the end of their vacation.