Sixteen-year-old Travis is looking for a good time. A vacation in Mexico with his mother and two siblings might cramp his style, but he's willing to take that risk for a chance to cruise the beaches. Some things keep gnawing at him, though, like leaving Dad crying at the airport, and watching Mom disappear with a mysterious 'headache' every afternoon that they're in Mexico. Some creep is following Jennifer around, and ten-year-old Teddy is obsessed...