"L.627" is a French film directed by Bertrand Tavernier. The movie follows a narcotics squad in Paris as they struggle to combat drug trafficking in the city. The main character, Lucien Marguet, is a dedicated police officer who becomes increasingly frustrated with the bureaucratic obstacles and lack of resources that hinder their efforts. As the team faces mounting pressure and personal challenges, they must navigate the complexities of the criminal underworld while trying to maintain their integrity. The film offers a gritty and realistic portrayal of the challenges faced by law enforcement officers in the fight against drugs.