Narcotics trafficking. Inspector Carina goes aboard a Portuguese Navy's corvette. The objective set by Inspector-Chief Ananias is to apprehend the vessel Jaan, which could be loaded of narcotics, with the support of the Air Force and special task force units in Mediterranean international waters. Inspector Cláudia Grijó, who's the leader of the case, is in the base and follows, via radio, the final moment of the approach. This is the climax of a two years' investigation, in which PJ's inspectors followed every single move of captain João Caetano and his travels dedicated to trafficking ordered by an international organization. It's the biggest apprehension ever of narcotics in Portugal.