After a devastating loss, Esteban "La Máquina" Osuna is at a low point in his boxing career. Lucky for him, his manager and best friend Andy Lujan is determined to get him back on top. But when a nefarious organization rears its head, the stakes of this rematch become life or death. While struggling to mount a comeback, Esteban must also juggle his own personal demons and protect his family, including his ex-wife Irasema, a journalist who finds herself on a collision course with the dark side of the boxing world.
