Watch CineCalidad. In Santiago de Cuba, rival conga bands scour the sparse marketplace for materials to create show-stopping numbers for the annual Carnival competition. O’Reilly’s film follows young, innovative Lázaro, who is determined to beat “the Shark,” his older and more establishment-favored competitor. Tensions build and tempers flare as the government restrictions and scarcity of present-day Cuba come to bear on one of the world’s poorest Carnivals.