An Italian gothic horror thriller set in Victorian England of 1885. The story centers on Dr. Bernard Hichcock, a brilliant surgeon who also happens to be a necrophiliac. The horrible secret of the title involves the drugging his wife for sexual funeral games. One day he accidentally administers an overdose and kills her. Several years later he remarries, with the intention of using the blood of his new bride to reanimate his first wife's rotting corpse back to life. Shudders galore.