ltbgtSpecial Agent Kate Reid still reels after a thinly veiled threat from one of her own She soon discovers who has her back and who doesnt during their most dangerous investigation yetltbgt The city of Rio de Janeiro is famous for its beautiful beaches and wild nightlife but there is a dark side tourists dont see Rios favelas or slums are inhabited by a network of drug lords human traffickers and dirty cops And when victims from the largest favela are found buried in the hillside everyone looks the other way However it seems there is one who cares a cop who suddenly finds a conscience when the mother of one of the missing pleads for help He begins to unravel clues that point to an American and with the help of his Inspector they contact the FBIs International Operations Division for helpIts a murder case the BAU team has no business trying to solve Its outside their jurisdiction Except the FBI has offices worldwide and when theyre called on by International Ops in Brazil they have no choice but to come to their aid If an American is responsible they will bring him to justiceLives are put at risk in a dangerous place Cracks in the BAU team become chasms And when the corrupt discover the FBI is in their city no one knows if theyll make it out alive