Desc: Oscuro Veneno: Directed by Gonzalo Gonzalez. With Candela Márquez, Pedro Moreno, Eduardo Yáñez, Jorge Domínguez Cerdá. LA SEDUCTORA IS BACK. HELENA RETURNS FOR A SECOND MISSION AS THE SEDUCTIVE UNDERCOVER AGENT OF A SECRET LAW ENFORCEMENT AGENCY IN MEXICO. THE NEW MISSION? TO INFILTRATE THE CIRCLE OF A GENIUS SCIENTIST, SUSPECTED OF CONCOCTING A DEADLY AND HIGHLY CONTAGIOUS VIRUS.