The team investigate paranormal activity in Germany's Rhineland. At the Rheinfels Castle, which has a notorious underground prison and tunnel system, they witness a mysterious flash of light and hear strange voices. After becoming lost in the labyrinth of tunnels, Kay Nambier hears his name called out, but he doesn't know by whom. Next, they explore an 11th Century castle known as Burg Reichenstein where Ian Lawman makes a psychic contact with what he believes is the ghost of a headless man. (thetvdb.com)