Tweed and Paula of the SIS take over the brutal murder case of two attractive women from plodding Chief Inspector Reebeck. A vital clue leads them to a remote rural county controlled by the dangerously human ‘Pit Bull’. They meet his strange family: his shrewd, unstable daughter;, Margot; his clever daughter Sable; his well–mannered and observant son, Lance; and the grim housekeeper, Mrs Shipton. Into the picture appears the enigmatic private detective, Falfirk and world traveller, Archie MacBlade. Tweed explores the peculiar local village and meets the resident gossip, Mrs Grout. He and Paula visit the strange town of Gunners Gorge, bloodstained by Cromwell long ago. More murders are committed. ‘Not the work of a serial killer,’ Tweed insists, ‘I sense something much bigger...’ Is Findel Square the key? HQ of OTRANTO, the oil giant, hidden away in the heart of London and owned by the devious womanizer Neville Guile. Tweed and Paula accelerate their dangerous race to solve the diabolical mystery. But time is not on their side...