Episode 12 (Season 1) is the twelfth episode of Season 1 of La Casa de Papel. In France, it has been broadcast on Netflix since December 20, 2017.
Arturo continues to develop an escape plan for a group of hostages. The Professor reveals who gave him the idea of the robbery.
In this episode, Arturo continues to plan his escape plan, Ángel harasses Raquel with phone calls. However, he was drunk got off the road, and fell into a coma. The inspector sleeps with the Professor.
The hostages locked up in the engine room are freed from their bonds, when Oslo enters the room to give them food and drink, a hostage strikes him violently with a metal bar in the head when the robber turns his back to them.
He dies later, suffocated by his cousin Helsinki, who can no longer bear to see him in a vegetative state. Denver makes love with Mónica then both are surprised by Arturo and Helsinki.
Arturo gets angry and tries to kill Denver with scissors with round ends. When Denver threatens him, he denounces the escape of his colleagues in order to save his skin. The hostages detonate the bombs at the door of one of the factory exits and manage to escape.