In the shadows of Britain’s ancient past, two of the world’s leading UFO investigators turn their sights on something far older than flying saucers. Mark Christopher Lee and Guy Thompson— The fearless duo behind the hit documentaries The King of UFOs and The Rendlesham UFO: The British Roswell embark on their most chilling investigation yet.

In This Haunted Empire, they travel to the buried heart of Roman Britain: the once-mighty city of Verulamium, now the quiet cathedral town of St Albans. Armed with cutting-edge technology and the controversial Stone Tape Theory, the idea that violent emotions can be literally “recorded” into stone and replayed centuries later, the pair hunt for evidence of Roman ghosts still marching through the ruins. As night falls over 2,000-year-old walls and amphitheaters, they capture startling anomalies that defy rational explanation.

But the ghosts of this empire are not the only specters waiting in the dark. Lee and Thompson also confront one of Hertfordshire’s most infamous legends: the Wicked Lady. The ruthless 17th-century highwaywoman whose violent death left a trail of blood-soaked hauntings along the old coaching roads. Using the same Stone Tape principles, they put the theory to the ultimate test in the very places where her ghost is said to ride again.

Blending historical detective work, paranormal science, and edge-of-your-seat night vigils, This Haunted Empire asks one provocative question: Is the past truly dead? Or is it simply waiting to be replayed? This is a haunting new documentary that will change the way you see every ancient stone beneath your feet.