It's the year 2123, and 16-year-old Adina has just accidentally killed 14,756 people. Raised in the eco-bubble of Eden Five, Adina has always believed that the Amonston Corporation’s giant greenhouse would keep her safe forever. But when her own careless mistake leads to an explosion that incinerates Eden Five, she and a small group of survivors must brave the barren wastelands outside the ruined Dome to reach the Sanctuary before their biofilters give out and their DNA threatens to mutate in the toxic air.

They soon discover that the outside isn’t as deserted as they were made to believe, and the truth is unearthed on their dangerous expedition. As time runs out, Adina must tackle her guilty conscience and find the courage to get everyone to safety. Will she make it alive, or will the Nomalies get to her first?