<P> Series 1 begins with Morse transferring to the Oxford City Police in 1965 following a double - murder investigation that took place during the pilot episode . Morse is taken under the wing of Inspector Thursday . Thursday names Morse his designated "bag man" and shows him the ropes as Morse begins to solve a string of complex multiple - murders, much to the envy and annoyance of some of his superiors, particularly Detective Sergeant Jakes and Chief Superintendent Bright . Morse displays his obvious genius in solving intricate murders, including several with opera connections . Thursday and fellow officer, Police Constable Strange, try to steer the young Endeavour into taking his Sergeant's exam, so that he may be relieved of "General Duties" and become Thursday's official "bag man" with the appropriate rank and title . In the Series 1 finale, Morse is shot while attempting to apprehend a murderer and is placed on light - duty . At the same time, Morse comes to terms with the December 1965 death of his cold and unfeeling father . </P> <P> Series 2 begins in 1966 with Morse returning to active duty at Cowley Police Station, after spending several months on light duty at Oxfordshire (County) Police's Witney Station, under the direction of D.I. Bart Church . Morse is received warmly by C.S. Bright and D.S. Jakes, as D.I. Thursday begins to keep a more watchful eye on the young Endeavour . As a result of the shooting, Morse begins to suffer from delayed stress and paranoia, as well as an increase in alcohol consumption . Despite making several mistakes in the investigation, Morse solves the cases, impressing his superiors . During the investigation he suffers a concussion after being struck over the head and is cared for by his nurse neighbour, Monica Hicks, in whom he takes an interest . At the same time, P.C. Strange enters into Freemasonry with many of Oxford's elite, and D.I. Thursday's daughter, Joan, begins to take an interest in Endeavour . During the course of several cases, pieces of circumstantial evidence go missing, and a murder suspect threatens Morse by claiming association with powerful men who will not take kindly to interference . </P> <P> In the final episode, the looming merger of city and county police and misgivings about corruption, lead Thursday to consider retirement, in response to strong hints from C.S. Bright about age and health . Disheartened by this, Morse speculates to Monica about leaving the police and going abroad with her . Assistant Chief Constable Clive Deare asks Thursday and Morse to covertly investigate corruption within the police and council . Morse is sent to a rendezvous where he is ambushed by corrupt officers and Thursday is lured to Blenheim Vale, a derelict former wayward boys home, where there was rampant sexual and physical abuse (of which Jakes was a victim). Morse escapes the ambush and goes to support Thursday, who is shot by Deare, a participant in the abuse at Blenheim Vale . Deare tells Morse he has framed him for the murder of Chief Constable Rupert Standish . Deare is about to kill Morse when he is shot dead by a girl who had also been abused at Blenheim Vale, who then kills herself . Bright and Strange arrive with backup and an ambulance . As Thursday is being loaded into an ambulance, Morse is arrested by officers from another force for the murder of Chief Constable Standish . The series ends with Thursday's fate unknown and Morse in a gaol cell . </P> <P> Series 3 begins in Spring 1967 . D.C. Morse is cleared of the murder of Chief Constable Standish and the records in the case of Blenheim Vale are sealed for 50 years . D.I. Thursday is discharged from hospital, but the bullet could not be taken out of him and has resulted in recurring coughs . Monica has come to realize that she and Morse have gone their separate ways . Strange is promoted to Sergeant and Morse considers his future after his time in prison, but with Thursday's encouragement, Morse returns to active duty investigating a murder following a disappearance at a funfair on Cowley Green . After solving a faked kidnapping and tainted fruit being sold at a local supermarket, D.S. Jakes survives a time - bomb and retires from the Force and leaves Oxford . W.P.C. Shirley Trewlove joins the station, to the obvious delight of Chief Superintendent Bright . Strange takes Jakes' place as Detective Sergeant but assures Morse that they're still friends even though he's now his superior . Thursday shows frequent signs of outbursts against suspects unwilling to co-operate during the investigations, and even uses violence as a way of extracting information . Although Morse is unsure about becoming Sergeant, Thursday assures him he's more of an Inspector . </P>

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