During his 18 years in Folsom Prison, street-gang leader Santana rules over all the drug-and-murder activities behind bars. Upon his release, Santana goes back to his old neighborhood, intending to lead a peaceful, crime-free life. But his old gang buddies force him back into his old habits.

An afterparty spirals into total chaos when a zombie apocalypse breaks out, and no one is sober enough to handle it.