15 parti Completa Toby thought he was just a normal 17-year-old boy, living an ordinary life in the quiet town of Tennessee-until he discovered a photo that would change everything. A family portrait with a missing piece, a mystery that led him straight to Kiaana: the new girl who seemed too good to be true.
Kiaana tells Toby she's just 15, but there's something unsettling about her-something she's hiding. When Toby's world starts unraveling, he realizes that she's not the innocent girl she pretends to be. Instead, she's part of a dangerous experiment, and Toby is its unwilling subject.
In a world where the heart isn't just a symbol of love, but a vessel of power, Toby finds himself fighting against forces far darker than he ever imagined. The mysterious Hearts 4 a Heart organization, a deadly bloodline, and a twisted science project pull him into a web of deception he may never escape.
As Toby struggles to hold onto his humanity, he must confront his worst fear: Will the heart inside him consume him completely, or will he be able to break free before it's too late?