Endeavour's return to duty at Castle Gate with a newfound sobriety coincides with a gruesome discovery in a college garden linked to an Oxford orchestra.

The so called ‘permissive society’ comes under the spotlight as Endeavour is tasked with protecting conservative social activist, Joy Pettybon, after she receives a death threat while visiting Oxford to promote her ‘Keep Britain Decent’ campaign.

Opening the series in 1971, a death threat to Oxford Wanderers’ star striker Jack Swift places Endeavour and his team at the heart of the glitz and glamour of 1970s football, exposing the true cost of success and celebrity, and with it, a deep-rooted division that is soon reflected much closer to home.

It's the lead up to 1970's general election and as racial tensions escalate in Oxford, tragedy strikes in an Indian restaurant, testing family loyalties.

Hollywood glamour comes to Oxford as the stars of a new horror movie sequel begin filming in the city. Meanwhile, the unexplained poisoning of a former detective sergeant leads Endeavour and Thursday to a local cinema, which is playing host the film's stars in a special event.

A vanishing bus conductress and a raucous funfair draw DC Endeavour Morse back to duty.

A seemingly routine missing persons case takes on a troubling dimension.

As Endeavour and Thursday deal with the heartbreak of Joan's departure, a death at East Cowley Slipper Baths hurls Oxford's Finest into their darkest adventure.

Whilst Endeavour sees in 1970 at a Venetian opera, a grisly murder on an Oxford towpath speaks to Thursday's intuition. Back in Oxford, Endeavour meets a kindred spirit.

Morse and the team are called to investigate the murder of a taxi driver found dead in his cab on the outskirts of Oxford, and worry that a recent string of assaults on cab drivers has escalated to murder. As the inquiry unfolds, the detective finds the case hits too close to home and starts to retreat from those close to him.

It is the winter of 1971 and the team is split up by a snowstorm while investigating the murder of a college don, and Endeavour is stranded at an abandoned hotel where he becomes the subject of a revenge plot.

When a worker at a missile factory is murdered, Bright wants the case resolved quickly, but Endeavour remains unconvinced that the crime is such an open-and-shut case.

The shock death of an artist in a house fire leaves Oxford city police baffled.

Whispers that Cowley General contains a cursed ward - and a seemingly innocuous death - set off a chain of events that lead Endeavour to investigate.

A photo-shoot on an army base turns sinister when one of the models is found dead. But the investigation is complicated when Sam Thursday is revealed to be involved.

The sudden death of a secretarial student and the shooting of a doctor appear unconnected despite Morse's theories. Chief Superintendent Bright, the new commanding officer of the Oxford City Police, unimpressed with Morse's zeal, protests to Thursday that the bagman's position is a Detective Sergeant's job and the young constable is too inexperienced. Following the shooting of a vicar, Morse is reduced to general duties for dismissing a beautiful, but mentally unstable girl as a suspect and must continue his investigations alone despite warnings of possible dismissal from his superiors.

The newly promoted Detective Sergeant Morse investigates when a famous international thief tries to steal a Faberge egg from an auction. The case leads to the gruesome murders of an academic and a gangster, and Morse is convinced the deaths are the work of the same man. As he struggles with his new responsibilities, he finds himself forced to mentor a younger partner.

A baffling suicide, an anguished father searching for his missing daughter and the robbery of medieval treasures strain the talents of DC Endeavour Morse.

Endeavour uncovers a potential link between a series of peculiar accidents leading him to an all-women Oxford college determined to eschew co-education.

A hit and run accident claims the life of an eminent Classics Professor forcing Endeavour and Thursday to each face their past. Not every story has a happy ending.

When a body is found in Bramford Mere, a marshland outside of Oxford, everyone assumes they are the remains of Dr Matthew Laxman, an Oxford botanist who mysteriously disappeared near the site five years earlier.

The railway takes centre stage as Endeavour investigates the disappearance of a local woman - with initial fears linking it to the unsolved murder of a teenager, killed several years earlier.

An assassination attempt at an international sporting event opens a new case for Endeavour and Thursday, but their investigation is quickly brought to an unexpected end.

A murder investigation sends Endeavour and DI Thursday to a girls' school which is haunted by memories of an atrocity committed a hundred years earlier.

As a multiple murderer haunts the city strangling married women with a silk stocking, Endeavour and DI Thursday's emotional lives are turned upside down.