Summary: Originally written for this prompt on the FMA Kinkmeme. Detectives Roy Mustang and Maes Hughes are caught up in a web of intrigue and violence as a series of brutal murders rocks Central city to its core. Along with their informant Edward Elric, a brilliant but troubled young man, their investigation will take them into the darkest reaches of Amestris's underground, and uncover a secret so dangerous they may not live to reveal it...
Chapter 1 - Part I
Chapter 1 - Part II