Rich Uncle Cyrus summons his four heirs to his mansion in the marshland. The money will be theirs if they survive a night in specially prepared rooms of horror.; Millionaire collector John Masterson comes into possession of king Tut’s Egyptian “demon coat”, a jacket which - once donned – scares its wearer to death with frightful visions. The killing coat passes from hand to hand until it’s finally destroyed.; Yates and Manning, professional debunkers of the supernatural, tackle a last mystery no one dare solve up to now – the haunted forest. Every man going on came back a raving maniac. Yates and Manning travel inside and are confronted with attacking trees and giant spiders. Only Manning returns from the haunted forest – hopelessly mad.; A road construction disturbs the eternal rest of evil Silas Dunster. His corpse stalks the building crew and murders quite a few of them. Or so it appears.