Félix, a 17-year-old boy, receives an invitation on WhatsApp: do you want to play the Blue Whale Game? The one with the 50 challenges? The one where you have to kill yourself at the end? Félix accepts. That is how he meets Elisa. They start completing the challenges together.
| Directing | Jorge Cuchí | Director |
| Writing | Jorge Cuchí | Writer |
| Production | Hari Sama | Producer |
| Production | Laura Berrón | Producer |
| Production | Verónica Valadez | Producer |
| Camera | José Casillas | Director of Photography |
| Editing | Jorge Cuchí | Editor |
| Sound | Alvaro Mei | Sound |
| Costume & Make-Up | Atzin Hernández | Costume Designer |
| Art | Miguel Ángel Álvarez | Art Direction |
| Sound | Giorgio Giampà | Original Music Composer |
| Production | Jorge Cuchí | Producer |