"Septimus, what is carnal embrace?"
In a large country house in Derbyshire 1809, Lady Thomasina Coverly, aged thirteen, and her tutor, Septimus Hodge discourse on Classical literature, love, and mathematics. 180 years later, the historian Hannah Jarvis and don Bernard Nightingale arrive at Sidley Park to uncover the events of the past.
Did Lord Byron fight a fatal duel here? What is the second law of thermodynamics? And who is the elusive hermit of Sidley Park?