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 … José Antonio Toledano, Karla Rodríguez Coronado, Gerardo Trejoluna, Mónica Jiménez, María Inés Pintado Added on HBO 2023-02-20.