When a series of murders hit the remote English countryside, a detective suspects a pair of travelers when it is actually the work of the undead, jarred back to life by an experimental ultra-sonic radiation machine used by the Ministry of Agriculture to kill insects.

• Flaminia Produzioni Cinematografiche
• Star Films S.A.
• Cristina Galbó
• Ray Lovelock
• Arthur Kennedy
• Aldo Massasso
• Giorgio Trestini
• Roberto Posse
• José Lifante
• Jeannine Mestre