Season 1 poster
← Day One

Season 1

6 episodes · 13th March 2026

Season details

Details

Episode guide

Episodes

01 Episode 1 still Episode 1 Episode 113th March 2026 After years in isolation, Ulises returns to Barcelona when his former partner asks for help decrypting Pandora, the code behind a revolutionary technology. The reunion ends in murder, turning Ulises into the main suspect. As a video of his escape goes viral, tech mogul Damián Diskin prepares to launch Day One, and Ulises realizes that nothing - not even his friend's death - is what it seems. 02 Episode 2 still Episode 2 Episode 213th March 2026 With no trace of Pandora, Ulises turns to Paula, who shows him another video revealing the killer. The only person who can clear him is Rebeca, whose social media activity puts her in Diskin's sights. Determined to protect the launch of Day One, Diskin intervenes through the technology itself, erasing evidence and sending a mercenary to silence all witnesses. 03 Episode 3 still Episode 3 Episode 313th March 2026 Ulises goes into hiding with Rebeca, the only witness who can prove his innocence. Together they discover where Pandora may be hidden, but Rebeca secretly activates the technology, exposing their location. Diskin sends his mercenary to close all loose ends. As violence erupts, Ulises loses everything and is forced to run once again. 04 Episode 4 still Episode 4 Episode 413th March 2026 Rebeca is questioned by the police while Ulises becomes the prime suspect in another murder. When they reunite, they finally access Pandora and uncover its true nature. Unaware that she is being controlled through the contact lenses, Rebeca exposes their location. Biran heads toward their location, as both the police and Diskin close in. 05 Episode 5 still Episode 5 Episode 513th March 2026 Ulises and Rebeca go to the Synchrotron. They need the power of the accelerator to obtain definitive proof that could stop 'Day One'. When they activate the contact lenses to infiltrate the facility, Diskin tracks them. A chase erupts inside the accelerator. Separated and cornered, Ulises escapes outside, where he comes face to face with Inspector Moreno, who aims... and fires. 06 Episode 6 still Episode 6 Episode 613th March 2026 Ulises and Rebeca are taken to Diskin's headquarters under the threat of Inspector Moreno. Meanwhile, Beth considers betraying the magnate and seeks Salvador's help. Diskin reveals the true purpose of the lenses and asks Ulises for his collaboration. As the global launch begins, evidence of the technology's danger breaks into the live broadcast, exposing the truth.
Talent

Cast & Crew

01 Álex González profile Álex Gonzálezas Ulises Albet 02 Asier Etxeandia profile Asier Etxeandiaas Samuel Barrera 03 Alba Planas profile Alba Planasas Rebeca 04 Jordi Mollà profile Jordi Mollàas Diskin 05 Renata Notni profile Renata Notni 06 Ivan Massagué profile Ivan Massagué 07 Mireia Oriol profile Mireia Oriol 08 Melina Matthews profile Melina Matthews 09 Peter Vives profile Peter Vives 10 Àgata Roca profile Àgata Roca 11 David Selvas profile David Selvas 12 Mercè Martínez profile Mercè Martínezas Bet
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