Episode 1
After a series of murders spark terror in Madrid, authorities search for a suspect while one detail seems to connect the crimes: a deck of playing cards.
Episode 2
The police works against the clock to avoid another murder. A survivor offers testimony that helps shape a portrait of the killer that isn't expected.
Episode 3
As the trial begins, the media pushes for a resolution to be found, but new testimonies and evidence spark contradicting theories about the case.
