There are only three rules. 1. Do not go out after dark. 2. Donate your blood every two months. 3. Always obey a soldier in a uniform. Failure to comply with the rules, can carry the sentence of death. Two hundred and fifty years ago, Earth was decimated by a nuclear war and since then, survivors have been living beneath glass domes. Evelyn Anielewicz lives in Utopia, the most southern city, but the city is far from perfect. When her brother goes missing, Evelyn leaves the sanctuary of the dome city, where she discovers her city is hiding some dark secrets secrets. For beyond the wall, live violent monsters who feed off blood, monsters that thirst for her blood, blood that can kill.