Ed reports back to Mustang in East City, where discussion of Doctor Marcoh and the Philosopher's Stone leads to a duel between Ed and the colonel.

The brothers are in danger when they become separated. Ed returns to Dante's mansion to look for clues. Al meets with the deranged Shou Tucker.

Edward Elric arrives in World War I after being pulled through the Gate. Roy Mustang confronts his enemy, Homunculus Pride.