Trauma (1978)

Daniel a writer seeking seclusion to work on his new book finds himself stranded at a rural bed and breakfast run by a strange and prudish young woman and her ailing wheelchairbound husband who remains shut in his room all day As night falls a psychotic razorwielding killer begins stalking the bed and breakfast brutally slashing the throats of its most sexcrazed guests whose bodies and luggage then mysteriously disappear the following morning