While in Amistolis, Edward Elric (Romi Park) and his brother Alphonse (Rie Kugimiya) encountered Melvin (Tomoyuki Morikawa), a jailbreaker who was about to be released in two months. It turned out that the other party had powerful alchemy that was not inferior to the Elric brothers. Based on the clues left by Melvin in prison, the two brothers went to the western great power Gurada to investigate. Here their train was attacked by mysterious black bats, and they also met Julia Clayton (Maaya Sakamoto), the girl Melvin was looking for. After a chaos, they came to Milos, a poor town located underground. Milos was a victim caught in the cracks of the great powers, and her people decided to use the use of the holy star to revive their motherland and nation... This film is adapted from the original manga by Hiromu Arakawa.