In a post-zombie world, where the infected live normal lives, their retroviral drug is running out.

It follows a college student as she boards a party train for Halloween, and ends up fighting for her life when a mysterious assailant begins killing the people one-by-one.

Inspired by True Events: A young woman who unknowingly grew up in federal witness protection reels after her mother's murder, leading her to question everything that she thinks is true.