Something gnaws at Parker McLeod telling him to drive away, but the ghostly-thin mother and her troubled 14-year-old son with his vacant eyes, tugs at Parker's conscious. He can't leave them behind. Against his better judgment, he loads the hitchhikers into his old Chevy pickup, a move that threatens his quiet life as the proprietor of The Garhole Bar, a favorite watering hole out among the rattlesnakes and prickly pear on the far west end of Galveston Island.