Richard Carlson (The Magnetic Monster) stars as Scotsman Gerald MacTeam who abruptly breaks off his engagement to pretty Kitty Murray (Veronica Hurst) after receiving word of his uncle's death and inheriting a mysterious castle in the Scottish Highlands. Kitty refuses to accept the broken engagement and travels with her aunt (Katherine Emery) to the castle. When they arrive, they discover that Gerald has suddenly aged and his manner has changed significantly.
