Accompany Osvaldo, "El Mariana", on an intimate six-month journey as he prepares for his fight at La Velada del Año 4, at the Santiago Bernabéu stadium in Madrid. Through his training, we not only see him face physical and emotional challenges, but also discover new facets of himself, where his public and personal lives become deeply intertwined.
Osvaldo Palacios Flores (Matamoros, July 23, 1998), better known as El Mariana, is a Mexican streamer, YouTuber and tiktoker. He is the protagonist of the documentary El Cuarto Round (2024). He also participated in the Latin Spanish dubbing of Five Nights at Freddy's (2023), voicing the character Jeff.