Despite trying to keep his swashbuckling to a minimum, a threat to California's pending statehood causes the adventure-loving Don Alejandro de la Vega and his wife, Elena, to take action.
All the rules are broken as a sect of lawless marauders decides that the annual Purge does not stop at daybreak and instead should never end as they chase a group of immigrants who they want to punish because of their harsh historical past.
The 21st successor to the role of Bengalla's resident superhero must travel to New York to prevent a rich madman from obtaining three magic skulls that would give him the secret to ultimate power.