Teenager Isabel Mann is seduced by a violent sect of day-walking vampires. Her classmates start to go missing, attracting two detectives.Things get weird as the disturbed teenager kills at will in the nearby woods. She's aided by head vampire Alejo, and eerily by Isabel's lost mother, an earlier recruit. She's trained in the art of the kill with horrifically bloody results for those she loves.

A doomsday virus of madness and death has destoyed the world's adult population. Only the young survive. They watch in horror as their parents go mad and die. Haunted by terrifying memories, they fight for life in a bleak wasteland. Gangs of teens and outlaw children roam the scarred landscape. Sisters Evie and Fran keep to themselves, two outsiders gathering food and moving from town to town.