A band of mounted troopers rides into a Devon valley and becomes entangled with the household of a proud, enigmatic noblewoman, their military duties overlapping with personal loyalties. The narrative follows missions, secret errands, and social encounters that draw officers into political intrigue, romantic tension, and rivalry. Episodes include garden scenes, a violent duel in the woods, sea passages, and the arrival of foreign soldiers, leading to confrontation and a homecoming. Underlying concerns of honor, duty, seduction, and the human cost of service run through the intertwined episodes of adventure and courtship.