After Maleficent fatally wounded him in battle, a dying King Henry wished that Leila would be cared for after his death, promising that whoever killed Maleficent would be named his heir and receive Lelia's hand in marriage. She remains loyal to her father who performs her duties as a princess by becoming Stefan's wife and later bearing his child. She would soon witness Maleficent, her husband's former friend whom he betrayed would place a curse on her daughter, Aurora.
During the course of the film, she becomes gravely ill, implied by the heartbreak of her situation and eventually dies. Stefan shows no grief over her death, as he has become paranoid and obsessed with hunting Maleficent down.