Sin

Envy disguises herself as Bradley and plucks the homunculus child from Izumi. Meanwhile, the boy remembers his past after he eats Stone fragments.

Assault on South Headquarters

As the military captures the mysterious Yock Island boy and imprisons him in South Headquarters, Yoki spots Scar among a group of Ishbalans.

The Untainted Child

Edward and Alphonse discover that the young boy on Yock Island is, all at once, an alchemist, a homunculus and able to transmute his own body.

All is One, One is All

In order to teach them a life lesson and give them time to reflect, Izumi leaves Ed and Al on Yock Island — the place where she first found them.