Raised in a strict Puritan household, Charmian Radley is betrothed to her cousin Joshua Mason. But through the years of Cromwell's rule her memories are of the handsome Royalist, Campbell Denholm, now in exile. When the Royalists return, the marriage between Charmian and Joshua is hastily arranged. Arriving at the Mason's castle, the wedding party is surrounded by King's Men led by Sir Geoffrey Denholm and his son, Campbell. Is Charmian to know him only as an enemy?