A mysterious alchemist leads the Elric brothers to a distant slum valley where they come across the Milos community, fiercely committed to their identity and embroiled in a long-standing struggle against bureaucratic exploitation. Ed and Al become involved in a budding rebellion, supporting the exiled Milos in their fight against their oppressors. Alphonse develops a bond with Julia, a courageous young alchemist who is pivotal to the conflict. Julia's unyielding resolve to restore the Milos' former glory drives her to pursue the legendary Philosopher's Stone, even if it comes at a great price.