American writer Sam Dalmas witnesses a murder attempt on an Italian art-gallery owner, Monica Ranieri, and decides to stay in Italy to help the police investigate the serial killer who has already claimed three victims. As the investigation unfolds, the killer's threats escalate, putting Dalmas and his girlfriend Julia in grave danger.
The Bird with the Crystal Plumage
An American expatriate in Rome becomes obsessed with catching a serial killer he witnessed committing a crime, and his fixation leads him on a perilous pursuit of the killer and his accomplice.
