Like all good coaching inns, The Green Man is said to boast a resident ghost: Dr Thomas Underhill, a notorious seventeenth-century practitioner of black arts and sexual deviancy. Led by an anxious desire to vindicate his sanity, Allington strives to uncover the key to Underhill's satanic powers.

Like all good coaching inns, The Green Man is said to boast a resident ghost: Dr Thomas Underhill, a notorious seventeenth-century practitioner of black arts and sexual deviancy. Led by an anxious desire to vindicate his sanity, Allington strives to uncover the key to Underhill's satanic powers.