Helena takes extreme measures to seduce drug lord Malpica and get funds to free her partner from jail. Vinuesa investigates a string of murders.

Vinuesa begins tying the murders to heroin. Caruso triggers Malpica's jealousy. Helena, now Hache, attempts to hide her daughter from her new lover.

Hache starts gaining Malpica's trust and secures more responsibility in his organization. An anonymous call focuses Vinuesa's attention on the port.

Hache makes an impression on Luciano when Malpica brings her on a business trip to Marseille. Bruno looks for his family. Celeste voices her ambition.

Bruno pressures Hache to move to Argentina, but she feels conflicted. Malpica orders Kopinski to commit a serious crime.

The person who betrayed Malpica is discovered and tortured. Hache mourns her loss with anger and plans for vengeance.

An uninvited guest at a wedding brings intriguing news to Hache, who spots an opportunity. A robbery casts a shadow on Vinuesa's newfound happiness.

Hache is given just one week to get her lab running. The surprise arrival of a relative adds to her stress, but Ventura provides an escape from it.

The heroin is finally ready to ship, but Hache needs Arístides' help to fly it out of Barcelona. An argument between Camino and Piero gets out of hand.

A sudden loss brings Luciano to Barcelona to investigate. Camino's nerves threaten to betray her to the police. Silvia reaches her limit with Vinuesa.