Paul Garza and his employee Lucas infiltrate the most dangerous cartel in northern Mexico in order to recover the freedom of Paul's daughter, who was arrested for drug possession.

An aging and injured former MMA champ is forced back into a deadly Mexican underground fight circuit to save is girlfriend who is kidnapped by a mysterious cartel leader and criminal mastermind.

The young drug trafficker Leonardo Hernández, after a heated argument, kills the son of Juan Rentería, a powerful mafia boss in the region, who upon finding out, exacts bloody revenge against Leonardo and his family. In the shootout, only Saúl, the youngest of the Hernández family, survives, who from that moment on will only have one motive in his life, to end Rentería and his group of murderers.