Based on a video game, this story explores a new storyline involving the town's demonic entities. Newly certified mortician Rebecca Owens takes a job at the River Field Mortuary and is tasked with embalming bodies alone on the night shift, but something sinister lurks beneath the surface. She must navigate demonic rituals, unravel the secrets of her enigmatic mentor and confront her own buried traumas to survive the night - and prevent her body from becoming a vessel for possession.