Kevin Wolf is driving back to his hometown when he spots a teenage girl hitchhiking on a remote highway. Concerned for her safety, Wolf offers her a ride through the night, but the girl remains enigmatic, refusing to reveal her name, origin, or destination. Strange occurrences unfold in her presence. She evades Wolf's attempts to involve the police, and her company disturbs everyone but him. Adults avoid her, children react with fear, and crows shadow her every step. Meanwhile, Wolf is plagued by recurring nightmares of a faceless figure driving his truck. Their journey leads them unwittingly into a monster's lair when they arrive at his hometown amidst a Halloween festival. It soon becomes clear that the girl harbors secrets that may endanger them both. My Dark Passenger explores an eerie world where reality blurs with the unseen. A world that is inextricably linked with our own.