1977. Torremolinos, Málaga (Andalusia, south to Spain). In a country that it's opening its doors to the world with The Spanish Transition after General Franco's death in 1975, four police detectives meet in the Costa del Sol to fight the new and recently installed drug trafficking that it's operating in the zone. They are Bruno, a veteran cop recent father of his first child with his wife Charo, brother of the 10 years younger Vicky, a fragile and free-spirited teen who despises him and their mother Alicia, and a hero fallen on disgrace by his unorthodox methods after an incident with his former boss Inspector Cifuentes; Leo, a high-class gentleman son of a retired general of dictatorship's days who tries to find his own way outside the family legacy; Terrón, a young man from a low-class family and streetwise agent wanting to clean the streets where he grew up; and Martín, a strategist and thoughtful detective more interested to dismantle the origin of the big drug traffickers instead...