Purenet

Purenet is one of six wealthy Sanctions, formed by the Emperor and the Untouchables after a devastating world war. Only those born in Purenet have the privilege of living under the dome, protecting their bodies from the sun's deadly UVA rays. Skylier is desperate to escape her underground confines and save her mother's life. On a school visit, she hears something she's not supposed to, and now she realizes that not only is her whole life a lie, but she is in grave danger… She doesn't know who to trust, and her enemies are everywhere… even closer than she realizes. Now she is in a race against time to save not only her life, but her mother's and those she cares about. And if she fails, she'll suffer a fate worse than death..."