Prouloge: A Life Changing Phone Call

Fifteen years ago Maes Hughes was murdered in the phone booth.
Fourteen years ago Gracia and Elicia Hughes disappeared and were proclaimed dead.

Those were two facts in Roy Mustang's life until he receives a phone call proving them to be lies. What's going to happen when everyone's lives going to get flipped on their heads by the return of an old enemy and a long-lost friend?