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?
Carrascosa, now free, seeks to clean up his image. Belu has a new theory and so do the prosecutors. Centeno sustains his innocence, but later he is imprisoned again for robbery. Carrascosa sells the house and thanks Belu and Juana.