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.

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.

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

With the Cowley team scattered across Oxfordshire, Endeavour finds himself policing a lonely country patch, and back in uniform. His day job is a monotonous investigation of missing livestock and stolen tractors. But when he discovers the dead body of a missing schoolgirl, it opens this quiet backwater to the roar of Castle Gate CID – now staffed by Thursday and an old adversary, the newly promoted DCI Ronnie Box, alongside sidekick DS Alan Jago.

As the highly-anticipated moon landings of Apollo 11 draw near, Endeavour finds himself investigating the death of a promising young astrophysicist and his girlfriend. Their deaths seeming to be a result of a tragic car accident on first inspection, with the clues pointing to foul play, Endeavour enlists the help of an injured Thursday to uncover the truth.

The murder of a chocolate factory owner during a local hunt leads Endeavour to the sleepy village of Chigton Green. When he learns of a vicious campaign of gossip and rumour, it seems likely that two murders are connected. One of the targets, a beautiful, single mother, captures Endeavour's attention, giving him food for thought about the future.

When a librarian is gruesomely murdered at the Bodleian, Endeavour and Thursday have little to go on besides a set of muddy boot prints. With the two main suspects having their own motives for killing the librarian, Endeavour digs deeper into their backgrounds, tracking a trail that appears to connect to seemingly innocent college bequest.

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.

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.

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.

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.

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.

After the mysterious disappearance of a teacher, Endeavour finds himself investigating the dark and secret world of a public school.

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.

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.

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

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.

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

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

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

Morse is recruited by an old college mentor to look into the safety of his estranged wife.

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

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.

As 1966 draws to a close, the body of a disreputable journalist found in mysterious circumstances threatens to expose past horrors. As the investigation deepens, Endeavour and Thursday face corruption in Oxford's corridors of power.

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.

There is a new kind of killer haunting the Oxford twilight. Endeavour and Thursday find the city's dreaming spires giving way to waking nightmare.

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.

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.

Endeavour is the pilot episode of the 2012 TV series Endeavour written by Russell Lewis and directed by Colm McCarthy.

We first met Endeavour Morse in "Inspector Morse", and the story continued in "Inspector Lewis". With "Endeavour", the prequel to these landmark mysteries, we begin to understand the depth and eccentricities of the cerebral and solitary Detective Constable Morse. "Endeavour: The Evolution" goes behind the scenes to explore the ever-changing world of Morse and Thursday with interviews with the cast and creators of "Endeavour" as they share what makes this program so full of mystery, intrigue, and nail-biting suspense.