Clarke comes back from high school from the holidays, but when she get back the is a new group of teens the At have joined the school but there is one girl who stands out, the one who is centre of the group.

Lexa's almost 17 years old and lives in Washington DC with her dad. Her dad is very rich so Lexa has everything she could wish for from a perfect life. Or does she? She feels like something's still missing. The excitement. She has lived a boring life in a big city. One day she meets a girl. She is living whole diffrent life in the other part of Washington DC. There's something about this girl. Something really facinating.