Twenty-five years ago, Lauren Phelps and her sister Patty were kidnapped from their backyard on Long Island. Lauren escaped her captor, but Patty was killed. Ever since, Lauren has suffered from nightmares of the "Shadow Man." Trying to recall his face and avenge her sister's murder, Lauren, now a kidnapping investigator, enrolls in a clinical trial for a new memory drug. At the offices of Memory Makers in California, she receives the...