Ridley

Farman is appalled at Ridley's breach of protocol in investigating the death of Patrick Elliott, but the case soon turns out to have a surprising connection to the death of Ridley's family that puts Ridley himself in danger. 

Goodwin worries that Ridley is making a case where a man was thrown from his tenth floor apartment personal because of a connection to the man who killed Ridley's wife and daughter. 

Annie Marling is skeptical as Ridley grows ever more attached to Eve Marbury, especially as the investigation into ther brother's disappearance and a related death picks up steam. 

Ridley becomes enchanted by a jazz singer who is from the area and has returned for a funeral, and decides to help her find her brother, who disappeared years ago. His search seems wrapped up with the death of another woman.

As the investigation into the murder of Gabriela Baldoni and her real identity continues, Ridley and Goodwin argue over the involvement of the amateur sleuth Kit McKellen.

Farman brings Ridley on to help investigate another case when a woman's body is found on an isolated moor near a wind turbine. An amateur sleuth attaches himself to Ridley during the case. 

Ridley continues to dig into the years-old case of Zoe Lindsey's disappearance after the death of a suspect, to the anger of the suspect's widow. But Ridley is convinced the original investigation was flawed. 

Alex Ridley has retired from the police force in the wake of tragic loss, but he is drawn back to a case when a suspect in the disappearance of a young girl years ago is killed. 

The final, ninth season of Endeavour, which consists of three episodes, has an airdate. It will also be accompanied by a new mystery, and a special looking back on the show.