boris karloff give a good performance a general feredes and one of several people he quarantine on a small island where his wife be bury . suspense build a each person be strike down and the superstition of feredes begin to grow and fuel by the malevolent housekeeper . an interesting sub plot be that one of the victim suffers from catatonic trance and and be mistakenly bury alive . claustrophobic and atmospheric and guarantee to send a shiver down your spine .