Two years after choosing not to kill the man who killed his son, former police sergeant Leo Barnes has become head of security for Senator Charlene Roan, the front runner in the next Presidential election due to her vow to eliminate the Purge. On the night of what should be the final Purge, a betrayal from within the government forces Barnes and Roan out onto the street where they must fight to survive the night.
A hard-luck limo driver struggling to go straight and pay off a debt to his bookie takes on a job with a crazed passenger whose sought-after ledger implicates some seriously dangerous criminals.
One night per year, the government sanctions a 12-hour period in which citizens can commit any crime they wish -- including murder -- without fear of punishment or imprisonment. Leo, a sergeant who lost his son, plans a vigilante mission of revenge during the mayhem. However, instead of a death-dealing avenger, he becomes the unexpected protector of four innocent strangers who desperately need his help if they are to survive the night.
Ray Breslin is the world's foremost authority on structural security. After analyzing every high security prison and learning a vast array of survival skills so he can design escape-proof prisons, his skills are put to the test. He's framed and incarcerated in a master prison he designed himself. He needs to escape and find the person who put him behind bars.