Hard-hitting Brazilian drama. Deco (Lazaro Ramos) and Naldinho (Wagner Moura) are cargo workers and petty hustlers aboard a run down cargo boat. They offer a lift to stripper Karinna (Alice Braga), who sleeps with both men in payment. After dropping her off at a rough port town, the two men get involved in a violent confrontation that causes them to lose their money and leaves them stranded. Karinna starts a new stripping job, and the two men find their paths crossing with her again. Initially making an attempt to set up an unconventional relationship as a threesome, Deco and Naldinho slowly start to feel jealous of each other. The threesome splits up, but then irrevocably comes together once more.