The series chronicles the investigations of the Narcotics squad, struggling with the trafficking of drugs, especially among young people.

Stucky is an apparently absent-minded inspector in Treviso, guided by his instinct, curiosity and out-of-the-box thinking. He appears to be modeled after Lieutenant Colombo, right down to the trench coat and the ever-present cigar.

An elderly shepherd takes on big business when he becomes the only holdout against property developers building a luxury resort in his tiny Sardinian village.

Through salsa and merengue dance nights, shared memories, and limited earnings working for a local drug dealer, Julio Cesar and his mother struggle to maintain their love-filled but oppressive lifestyle. The arrival of Ines, an attractive young Colombian drug mule, threatens to unsettle their tenuous stability.

The body of a young woman is found in a small and quiet town in North Italy. A detective from the nearby main city is called to solve the mystery.