Smallville: Season 5, Episode 13

5 - 13: Vengeance

Still struggling with the grief of his deceased father, Clark encounters a woman after his mother is mugged, named Andrea, in Metropolis who has similar powers to him which she obtained during the second meteor shower after a heart transplant. She has taken the role of a vigilante super hero, and is out to find out who murdered her mother a year earlier... Meanwhile a different side of Clark emerges because of the death of his father.