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.
| Art | Miguel Ángel Álvarez | Art Direction |
| Production | Hari Sama | Producer |
| Costume & Make-Up | Atzin Hernández | Costume Designer |
| Writing | Jorge Cuchí | Writer |
| Editing | Jorge Cuchí | Editor |
| Camera | José Casillas | Director of Photography |
| Sound | Alvaro Mei | Sound |
| Directing | Jorge Cuchí | Director |
| Production | Laura Berrón | Producer |
| Production | Verónica Valadez | Producer |
| Sound | Giorgio Giampà | Original Music Composer |
| Production | Jorge Cuchí | Producer |