Based on the true story of one of the most notorious crimes in Argentina, the series intimately follows all those involved in the case, and those who are still seeking an answer to the question: Who killed María Marta? Muriel Santa Ana, Laura Novoa, Jorge Marrale, Carlos Belloso, Mike Amigorena, Guillermo Arengo, Nicolás Francella Added on HBO 2023-06-27.