Cambridge, October 1933. Inside the old All Hallows Church on All Hallows' Eve, Doctor Adelaide Hartest witnesses the final moments of a dying stranger. Despite the dagger plunged into the stranger's chest and his last-minute confession, the death is ruled a suicide. The victim, it is revealed, is known to Scotland Yard, and Assistant Commissioner Joe Sandilands is sent up from London to investigate. Thrown into a deadly ring of cloak-and-dagger politics...

An "invitation to dine" quickly loses a letter as DI John Redfyre returns for his second investigation in the hallowed halls of Cambridge academia. Cambridge, 1924 in early summertime. May Balls, punting, flirting and dancing the tango are the preoccupations of bright young people, but bright young Detective Inspector John Redfyre finds himself mired in multiple murders. One morning, his dog discovers a corpse neatly laid on a tombstone in the graveyard...