Winter 1644, the Tower of London. Colonel George Monck is confined to his prison chamber in St Thomas's tower, charged with high treason. A brilliant soldier, admiral and military governor, Monck joined the King's men in besieging Nantwich. But the Parliamentary side's more disciplined army successfully routed them, and Monck was thrown in jail. Brooding and despondent, Monck's troubles look to intensify when he starts...