"On the Shore of Dusk" - Star journalist Thomas Bongart learns that he will only be alive for a short time due to his cancer. His girlfriend Lena learns of the terrible diagnosis and decides that if he has to die, she wants to end her life together with him.
A woman is fatally stabbed in bed, a prostitute is battered into oblivion and a female painter is strangled with a telephone cord. Another woman, Giulia, who is on her honeymoon, is attacked in a train carriage but the killer flees when her husband Mario comes to the rescue. In spite of his protestations to the police, Mario is accused of being the murderer. He sets out to prove his innocence by conducting his own enquiries. In the meanwhile, a woman in an insane asylum is drowned in a bath and another female victim is power-drilled to death...
An Australian woman arrives in London to search for her sister who she finds is involved with a heroin smuggling gang. The gang itself is under attack from an unknown rival, who is methodically assassinating them with a shot to the head.