A demigoddess with the power to change the future struggles to protect her world from powers gone dangerously awry, a situation that is further complicated by the destructive intentions of the girl she loves.

Sam Jones and Zoe Miller have one thing in common: they both want an escape from reality. Loner Sam flies under the radar at school and walks on eggshells at home to manage her mom’s obsessive-compulsive disorder, wondering how she can ever leave to pursue her dream of studying aerospace engineering. Popular, people-pleasing Zoe puts up walls so no one can see her true self: the girl who was abandoned as an infant, whose adoptive mother has cancer,...