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.

Mexico City. 2002, 2006, 2010. A cop. A hostage. A wife. Corruption, violence, vengeance. Three destinies, during 30 days, during three Soccer World Cups. Three ways to fight in order to survive.