After a sailing ship breaks up on the rocks off Washington's storm-tossed Cape Flattery, Nathan McAllister, the fourteen-year-old son of the lighthouse keeper, refuses to believe the authorities, who say there were no survivors. Unexplained footprints on a desolate beach, a theft at the trading post, and glimpses of a wild "hairy man" convince Nathan that someone is hiding in the remote sea caves along the coast. With his new friend, Lighthouse George,...