A young veteran of the US Army, River Roulet is struggling to shake the horrors of his past. War is behind him, but the memories remain. Desperate to distract himself from the images haunting him daily, River abandons the world he knows and flees to the country he's always dreamed of visiting: Brazil. Rio de Janeiro is everything he hoped for and more. In the lead-up to Carnaval, the city is alight with music, energy, and life. With a few friends...