Seventeen-year-old April Parker wakes up in an underground facility, a shock bracelet on her wrist and a five-day countdown on the clock. Dozens of other teens share her inexplicable fate, but their unseen captors never intervene no matter how brutal conditions become. When the ruthless - and unnervingly magnetic - Marcus seizes control, April's trauma-forged instinct is to lay low. But protecting her friends drives her to bargain with the boy she should fear most - a boy whose reality fractures with every tick. Then the countdown ends, and the real terror begins. Powers ignite. Alliances shatter. And predators are born. And with a saboteur among them determined to keep the doors closed forever, escaping what comes next may be the only way to survive it.

Sapphire Black is is just like any other teenage delinquent. Atleast, she tries to be. Coming from America to England with hopes of starting over anew as a rebellious bad ass is exactly what Sapphire plans on doing. At home with an unloving mother and absent father, she developed a hard exterior - motorcycle and all. That's where Harry Styles comes in. Harry was entranced by the red headed beauty the moment he saw her. He introduces her to his friends; a pack of rebellious teenagers who are feared by many. But really, they're just six kids who have hard pasts. Making new friends along the way and learning that acceptance is not truly what is important, Sapphire Black plans to finally come to peace with herself and find love.