After the death of the paranoid emperor Tiberius, Caligula, his heir, seizes power and plunges the empire into a bloody spiral of madness and depravity.
A young opera singer is stalked by a deranged fan bent on killing the people associated with her to claim her for himself.
A burned-out New York police detective teams up with a college psychoanalyst to track down a vicious serial killer randomly stalking and killing various young women around the city.