A man suffering from amnesia finds himself caught in a dangerous power struggle when he returns to the site of a past accident. After a severe car crash leaves him with no memory of his identity or his previous life, the protagonist attempts to reconstruct his history in a remote Canadian town. He soon discovers that his presence threatens powerful local figures who have much to hide regarding the events that led to his injury. The narrative follows his efforts to navigate a landscape of corporate corruption and physical danger while struggling to reclaim his own past.

This novel is recognized as a quintessential example of the mid-century thriller, noted for its grounded approach to suspense and its focus on technical realism. The narrative structure effectively utilizes the protagonist's amnesia to build tension, forcing the reader to piece together the mystery alongside the main character. Critics often highlight the author's ability to blend atmospheric descriptions of the Canadian wilderness with a tightly wound plot. The work remains a staple for those interested in the evolution of the adventure-thriller genre during the late 1960s.