With the papers near the mutilated body of Harry Seton is a note: "Ask Coffin." Seton was a detective doing undercover work on the sale of illegal pharmaceuticals. No one, including John Coffin, Commander of London's Second City, knows what the note means, but it appears that Seton was secretly investigating internal police corruption. Coffin begins to look into Seton's secret investigation, only to find that someone has beat him to it and is already...