Alexandra, a young woman who lost her sister to the evil Identity Thief, a stranger who kills people while using fake identities, and leaves no trace on who or what it could be. After she tells the disappearance of her sister to police officer, Nathan Walker, she is stalked by an unknown person. She does not know if it is the Identity Thief, or if it is someone else entirely. These strange occurrences cause her to find the murderer herself, no matter the cost.