Petra is an Italian crime drama television series, which premiered on September 14, 2020, on Sky Atlantic. It is based on four detective novels by Spanish writer, Alicia Giménez Bartlett, featuring the character, Petra Delicado. The TV series was directed by Maria Sole Tognazzi. The main protagonist, Petra Delicato is an Inspector for the Genoa police, originally working as an archivist. She is assisted by Deputy Inspector Antonio Monte.