Endeavour is a British detective drama series that serves as a prequel to the long-running Inspector Morse. Set primarily in the 1960s and 1970s in Oxford, the series follows the early career of Endeavour Morse as a young police constable and later a detective sergeant. A brilliant but socially awkward intellectual, Morse navigates the complexities of the Oxford City Police, often clashing with the traditionalist methods of his superiors while solving intricate murder mysteries. Throughout the series, Morse forms a pivotal professional and personal bond with his mentor, Detective Inspector Fred Thursday. Together, they tackle a changing social landscape, corruption within the force, and personal tragedies that shape the man who would eventually become the iconic Inspector Morse. The show is celebrated for its atmospheric period detail, complex character development, and its exploration of the intellectual and emotional toll of police work.