Along with a bitter legal fight over her child's custody, Rosa Peral receives unsettling news when her boyfriend's remains are found in a burnt-out car.

As the investigation moves forward, Rosa insists on the culpability of her former husband, Javi. Glimpses of her past start taking a disturbing shape.

Rosa downplays her bond with Albert to the police, but a violent incident from the past hints a complex and obscure connection between them.

Rosa and Javi's breakup turns out more layered than expected as Pedro's role emerges in the reconstruction: the love triangle is now a square.

The evidence on Pedro and Rosa puts together an unhealthy relationship. As the pieces get connected, the investigators seem to have a strong lead.

The law strikes and Rosa captures the press' attention, while she still has one last card to play. A past incident between Pedro and Javi comes to light.

The police reconstructs the last hours of Pedro, and how they impacted the lives of Rosa and Albert. Everything is ready for the jury to issue a verdict.