Watch Sadisflix. For three years, director Kyzza Terrazas has followed over thirty people from all over Mexico to explore the underground hip-hop movement in Latin America. Using rhythm and creative language, rappers such as Serko Fu, Rabia Rivera, Tino El Pingüino, Aczino & Mike Díaz have found ways to express themselves with transformative words that help them survive in a country with so little opportunity.