What secret does the castle in the Eifel hold? Jerusalem, 1148. Three men divide their spoils after a successful crusade. In the face of a magical crucifix, they make a pact: to protect themselves and their loved ones forever. Two hundred years later: Due to an impending feud, Elisabeth von Küneburg is sent into the care of friends. She enjoys life there - but then the plague breaks out. Her uncle Dietrich takes advantage of the chaos to seize the family castle. He is determined to marry her off to his son, the brooding Albrecht, as quickly as possible. Will the descendants of the brotherhood succeed in saving her?.