Operation Maré Negra takes place in November 2019 and, based on real events, revolves around the plans of Augustín Álvarez, a fisherman and former Spanish amateur boxer promise, to traffic three tons of cocaine between Latin America and Europe. The direction is in charge of the Spanish Daniel Calparsoro and Oskar Santos and the Portuguese João Maia (Variações) -- the protagonist of the series is Álex González (3 Caminos), but the cast is completed with Leandro Firmino (City of God), Bruno Gagliasso (Marighella), Nerea Barros (La Isla Mínima) or Miquel Insua (La Unidad).