The Lai Of Guigemar by Marie de France

Set in the realm of medieval romance, this tale follows a noble knight who, despite his valor and prowess, remains untouched by love. During a hunting expedition, he suffers a mysterious wound that can only be healed by a love as pure as it is true. His journey leads him to a secluded castle where he encounters a lady trapped in an unhappy marriage. Bound by fate and mutual affection, they embark on a secretive and passionate affair, challenging societal norms and the constraints of their circumstances. Their love, tested by trials and separation, ultimately triumphs, showcasing the transformative power of genuine affection.