When new and unconventional high school student Amanda Valentino disappears, her three closest friends, who are all from vastly different circles, band together and, using enigmatic clues that seem to come from Amanda herself, try to find her.

When Amanda Valentino went into hiding, Nia, Callie, and Hal were shocked to learn that everything they thought they knew about her was false, even her name. But from the clues she leaves behind, they discover the danger that forced her to lie and then drove her underground. Despite the risks, her friends are determined to help Amanda. Following their latest lead, Nia unearths a series of mysterious symbols scattered throughout town. It's a code...