An elderly and retired police detective and a young amateur sleuth team up to find a serial killer whom has resumed a killing spree in Turin, Italy after a 17-year hiatus.

The rumpled owner of a dry-cleaning firm joins forces with a nun to care for an abandoned baby.

Antonio takes a hit on his head when he's out to buy a jar of mushrooms for his wife, and loses his memory. He reappears five years later unaware that time has passed.