Episode 40: The Scar (2003 series)

Marta has found Kimbley, whose betrayal led to the death of her friends. Realizing revenge is pointless, Al tries to stop Marta, and jumps into the fight. In Lior, Ed goes head to head with Scar, and uncovers the full truth behind his past. Finally, in a heart-wrenching exchange, the identity of the Seventh Sin is revealed, and a friend of the Elrics will die.