As the streets of Los Angeles overflow with camera-wielding gawkers seeking to capture images of a bizarre police pursuit, the same people who sought to exploit the suffering of others for amusement on the Internet become the stars of a gruesome viral video from which no one gets out alive.

With Prom only hours away, the usual suspects of Cosa High (Cheerleaders, geeks, bad boys and the happy-go-lucky student council alike) are preoccupied with the annual rituals of teendom. On the night of the big dance when the dead unexpectedly rise to eat the living, polar opposite groups will be forced to unite in their final chance to save the town from the zombies.

A spoiled teen’s birthday bash turns killer after she convinced her parents to re-open a roller skating rink where a series of brutal murders took place and the killer comes back to wreak havoc during her party.