The purge (vampire version)

Based on the series, 'The Purge', all crime is legal in the U.S. This is sanctioned by the U.S Government Government officials of ranking 10 have been granted immunity from the Purge and shall not be harmed. Weapons of class 4 and lower have been authorized for use during the Purge. All other weapons are restricted. But this purge lasts forever… and emily is a vampire