Riley Monroe and Everett Rosenfeld have been best friends since they were four and have been in love since they were fourteen. Riley has promised Everett that no matter what, she will be his forever. So after Everett's mother dies in a car accident, why does Everett shut Riley down? Because Everett believes that Riley is the reason why his mother is dead.

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.

Popular. Smart. Charming. Drop-dead gorgeous. This is the exact definition of Eva. Being one of the most admired and envied girl in her grade, what does Eva come up with her definition? Plain. Normal. Unsociable. Definition: Anna. Anna keeps to the quiet side as she has no great qualities. Her friendship circle is small. On what terms, is she with her definition? Perfection? What is perfection? When Anna and Eva become friends, they learn more about two completely different worlds and learn to come to terms with it.