
"Undercover" is set in the Basque Country, Spain, during the late 1990s. The series follows a young policewoman who bravely infiltrates the ruthless terrorist group ETA, navigating a dangerous world of espionage and political tension. Trivia: 1) The show's authentic portrayal of Basque culture was ensured by filming on location across various parts of Spain's Basque Country. 2) The lead actress underwent extensive training in Basque language and customs to convincingly portray her role. 3) The series consulted former law enforcement officers familiar with ETA to add a layer of realism to its storytelling.