It's the first day of summer in the swamps of South Louisiana. Twelve-year-old Cajun boys Billy Boudreaux and Nick Landry are preparing their "Swamp Camp" for an upcoming camp out when they encounter Mr. Pierre as he makes a mad dash to escape the legendary swamp monster, Rougarou. Breathless and terrified, he vows to abandon his home in the swamps of Pierre Part, Louisiana, never to return.