During an encounter between the Germans and the Italians in World War I, Doug and Tony land in a villa that is haunted by the ghost of the Roman Emperor Nero.

Cast: James Darren, Robert Colbert, Eduardo Ciannelli, Gunnar Hellström, Richard Jaeckel, Whit Bissell, John Zaremba, Lee Meriwether, John Hoyt, Nino Candido