Christopher Marlowe investigates a school for exiled Catholic priests in the fourth of this intriguing historical mystery series"You'll learn, Marlowe, that this place is a nest of scorpions. Don't turn your back on anybody". October, 1586. Sir Francis Walsingham has despatched Kit Marlowe to the English College in Rheims where he suspects the Catholic traitor Matthew Baxter is hiding, the only one of the Babington plotters to have escaped the spymaster's net. Infiltrating the College undercover, Marlowe learns that the community has been rocked by a series of unexplained and violent deaths. A scholar has fallen from a window under mysterious circumstances; the popular Father Laurenticus has been discovered dead in bed, his throat slit from ear to ear. With the help of master codebreaker Thomas Phelippes, can Christopher Marlowe unearth a murderer, track down a traitor and extract himself from the scorpions' nest without being fatally stung?