Now that Dario Cueto has been released from prison after being arrested for the murder of Mr. Cisco, the mysterious Lucha Underground Temple is back in business. Dario is more confident than ever in his brother, the undefeated Lucha Underground Champion, the Monster Matanza Cueto and his quest for violent domination and the destruction of the seven ancient Aztec tribes. Now while one hero must take a dark path, others will have to make even greater sacrifices if they hope to save themselves and the world.