A Milanese barmaid who had been living in Vigata goes missing, and the investigation must navigate the many speculations about her promiscuous life. Salvo requests a transfer to Genoa so that he can be closer to Livia, but it's clear that the prospect of leaving his beloved Sicily is a tough one. Meanwhile, he divides his time between trying to find the missing girl and investigating a bout of unusual burglaries, in which the victims report the theft of bafflingly small amounts of money.