The series revolves around Iñaki, a forty-year-old Basque who has never left the Basque Country. She lives with her mother, Maritxu, the classic Basque matriarch, absorbing and dominant, who sees Iñaki as an eternal child unable to function on his own in life. The only emotional exchange that Iñaki maintains is with his lifelong friends. In the bar that reigns Iñaki, inherited from his late father, works Nekane, a waitress who is madly in love with him, but who has never told her. And as long as Iñaki's life passes placidly, one day he is forced to accompany his mother to Seville on a journey from the Imserso, a journey for which he is not prepared. For Iñaki, nothing will be the same again once he is trapped. down there.