In her sophomore year, Jessamine became friends with the popular kids, experienced her first love, and got accepted into a highly prestigious boarding school to pursue her dreams. Now as a senior, Jessamine finds herself back in her hometown against her own choosing. She's being pursued by her ex and her old friends alike, who all share the same secret as she does...the secret she just wants to forget about. But there's something within Jess and every single one of her friends that's threatening to come out if they don't regulate it through the use of a mysterious drug called C50, and the constant feeling that time is running out. Jess knows that if she should trust anyone, it's the same group of friends she underwent this injustice with. But as much as the group needs Jess, she has to bring herself to face what led up to the night that changed everything...