Writer Humphrey van Weyden is thrown overboard in a shipwreck in the Bay of San Francisco, and is rescued by the seal-hunting schooner 'Ghost' under the command of the brutal Captain Wolf Larsen.

Sequel of "The Sea Wolf". The writer van Weyden, who escaped from Captain Larsen's ship, follows the trail of his enemy for years in order to take revenge. He finds him as a man who has been mentally and physically destroyed by other criminals.