Hypermnestra is a character from Greek mythology, known as one of the Danaids, the fifty daughters of Danaus. She is unique among her sisters for refusing to kill her husband, Lynceus, on their wedding night, as commanded by their father. Instead, she helps him escape, defying her father's orders. As a result of her actions, Hypermnestra is often associated with themes of loyalty and defiance. Her story highlights the conflict between familial duty and personal choice, making her a significant figure in various literary and artistic interpretations of Greek myths.