La Casa De Papel 1x1 — Wikipedia

Netflix’s global release significantly altered "Efectuar lo acordado" for non-Spanish audiences.

Notably, Netflix re-edited the pilot to function as both Episode 1 and the first half of Episode 2 in some territories, trimming 25 minutes of character exposition.

The episode opens with Tokyo (Úrsula Corberó), a fugitive robber, being hunted by the police after a violent robbery gone wrong. She is intercepted by a mysterious man known as El Profesor (Álvaro Morte). He proposes a deal: join his crew for a major heist, and she will receive protection and a share of billions. la casa de papel 1x1 wikipedia

Five months later, the team is introduced in a secluded country estate. The crew includes Berlin (Pedro Alonso), a sophisticated but ruthless jewel thief; Nairobi (Alba Flores), an expert in counterfeiting and metalwork; Rio (Miguel Herrán), a young hacker; Denver (Jaime Lorente), impulsive and hot-headed; Moscow (Paco Tous), an elderly miner and Denver’s father; Helsinki (Darko Perić) and Oslo (Roberto García Ruiz), Serbian war veterans who serve as muscle.

The Professor reveals the plan: break into the Royal Mint of Spain, take hostages, and print 2.4 billion euros without stealing a single jewel from the display cases. Each member has been training for months. They adopt city code names to conceal their identities.

On the day of the heist, the team enters Madrid disguised in red jumpsuits and Salvador Dalí masks. They approach the mint in a stolen RV as Tokyo narrates: "When someone thinks of a heist, they think of a few armed men and a getaway car... but this was never going to be a normal heist." Academically, the pilot is now studied in film

They storm the mint. Security guards are neutralized. The team takes control of the facility and locks down all exits. Berlin reveals he is the field commander, while the Professor directs operations from a remote mobile command post.

The team assembles the hostages in the main hall, including Mónica Gaztambide (Esther Acebo), the secretary to the mint's director. Arturo Román (Enrique Arce), the cocky director, tries to negotiate but is forced to his knees.

The episode ends with the authorities realizing the mint has been taken. Inspector Raquel Murillo (Itziar Ituño) is assigned to lead the police response. As police surround the building, the Professor watches from a distance, smiling. Tokyo concludes: "And so began the biggest heist in history. The one that had us singing 'Bella Ciao.'" a heist plan

The Professor recruits a group of eight criminals to carry out an ambitious heist on the Royal Mint of Spain. They adopt city names as aliases. The gang storms the Mint, takes hostages, and begins executing the meticulously planned operation while the police start responding. Tokyo narrates the events and provides the episode’s primary viewpoint and tone.

The debut episode established several tropes that became global phenomena:

Academically, the pilot is now studied in film schools as a case study in "narrative efficiency" : introducing 11 major characters, a heist plan, a police counterpart, and a twist within one hour.

The episode garnered 4.5 million viewers on Antena 3, a 21.9% share of the Spanish audience, making it the network's highest-rated scripted premiere in two years.

Critics praised the pacing and Álvaro Morte’s performance. El País called it "a masterclass in tension-building." However, some reviewers noted the exposition-heavy dialogue in the first 20 minutes.