Formed by Manu and Antoine Chao, along with their cousin Santiago Casariego, the French band Mano Negra was formed in 1987, in Paris. The band was immediately spotted in the music scene for its unique style that mixed rock, French chanson, flamenco, ska, salsa, reggae, hip-hop and African rhythms.During the '90s, Mano Negra reached its greatest commercial success both in Europe and in the Spanish-speaking world, where it left an influential mark for contemporary music. The documentary chronicles Mano Negra's entire career through the testimonies of its members, as well as bands sharing their beginnings, such as Los Carayos, Joint de Culasse and Hot Pants.
An evil mastermind, known as La mano negra, attempts to steal a formula that creates synthetic drugs but a masked avenger known as La sombra will do anything to stop him.