Where does the adventure end . . . and the nightmare begin? Frank owns a service station on a little-used highway. His granddaughter, Allie, is sent to stay with him for the summer, but they don't talk a lot. Simon is a dreamer and an idealist, in thrall to the romance of the open road and desperately in search of something. Maggie is the woman who will bring them together, someone whose own personal journey will visit unimaginable terror on them all. . .