A haunting heritage railway. A forgotten crime. A killer signaling from the past...Retired DCI Gareth Morgan thought he had escaped the ghosts of his past in a quiet cottage above Berwyn Station. But when a lantern flickers at midnight and a body is found beneath the ancient viaduct, his exile ends in a rush of steam and shadows. The murder bears an eerie resemblance to a series of unsolved railway killings from twenty years earlier-cases Gareth failed to close.As cryptic signals light up the Welsh night and pocket watches arrive bearing chilling messages, Gareth is pulled back into a game only he can understand. With the help of a tenacious detective and a mounting sense of dread, he races to decode a killer's pattern before more victims fall beneath the wheels of a long-buried past.The Midnight Signal is a taut, atmospheric crime thriller where time, guilt, and revenge run on iron rails-right into the heart of darkness.