Terror floods the screen in this stylish classic from the golden age of slasher films. College student Scotty Parker (Rebecca Balding) becomes a boarder with the Engels family and soon learns that a murderer resides in their creepy mansion. After other students are killed, Scotty grows more and more fearful of Mrs. Engels (Yvonne De Carlo) and her son. Two policemen race to stop the slayings, but will they be in time to save Scotty?