For Lily and her twin sister Mel there is only the Farm. It's a prison, a blood bank, a death camp - where fear and paranoia rule. But it's also home, of sorts. Because beyond the electric fence awaits a fate much, much worse. But Lily has a plan. She and Mel are going to escape - into the ravaged land outside, a place of freedom and chaos and horrors.

Twin sisters Lily and Mel have bravely escaped the Farm - a place where young people are bred to die. Now separated, they must continue the fight on their own. After making it to a resistance base camp, Lily decides to make the difficult trek north to Canada - and safety. Meanwhile, Mel is being taught how to survive by the vampire who turned her.But when a monstrous betrayal places Lily in mortal danger, Mel must set out to find her and save her sister, But in the fight against the ultimate evil, can both hope to survive?

In a world where vampires rule and teenaged humans are quarantined as a food source, there's only one choice - resist or die. But fighting Ticks comes at a terrible cost to twin sisters Mel and Lily and their best friend Carter. With Lily exposed to the Tick virus and lying in a coma, it's up to Mel and Carter to search for the cure - and quickly.