A late-night train. A locked door. A passenger who never made it out alive.
When a man was found dead in the toilet of a remote Wiltshire railway station, the scene looked clean, but something didn’t add up. Reopening the cold case, Detective Inspector Gus Freeman uncovers ties to an old enemy, a professional killer, and a trail of secrets someone will murder to protect.
Was he just a commuter, or the key to something far more sinister?