The nude body of a man is discovered entombed in the walls of Split Point Lighthouse on the South-East Coast of Australia. Investigating the crime Inspector Napoleon Bonaparte, the half-aborigine detective, wonders why a coffin is moved at night, who was the girl struggling with Dick Lake on the cliff top, and what caused the Bully Buccaneers to deal in death. Superintendent Bolt said 'It's the toughest job we've ever had to bash open' ... an ordinary policeman could afford to fail, but Bony never... '