Police chief Luca Manara may have screwed up past relationships but but when a local surgeon is found dead, he knows what to do.

When a two men are found dead, it takes the combined investigative efforts of Inspector Manara and Lara.

After a maid finds a prominent local jazz musician dead, Inspector Manara and his team must track down the killer; finding an illegible note and a rose at the crime scene, they suspect it may have been a lover's quarrel.

A local librarian is found dead a week before he is set to unveil the Letters of Leopardi; Giulia Chiamparini, who also went to police academy with Luca and Lara, joins the case.

Inspector Manara discovers that an artifact stolen from a local museum and a man found dead by a fishing boat are related; Lara runs into an old flame, Mossimo, who owns the local marina.

Someone pollutes the oasis of the local lagoon on the same morning the distraught wife of a documentarian comes to the station to report her husband missing.