<p>The body of a film actress known as Christine Clay is discovered at the edge of the surf on a beach in Kent. She is initially thought to be the victim of a drowning accident, but the presence of a button tangled in her hair leads Inspector Alan Grant to conclude she has been murdered. Suspicion quickly falls on her friend and house guest, Robert Tisdall. Tisdall was rescued from a life of poverty when Clay randomly encountered him in London an...