傳奇流行巨星「聖母瑪莉」（安海瑟薇飾演），在歷經情緒潰堤之下突然中止巡演。等她準備以一場復出演唱會重返舞台時，為了打造全新又完美的舞台形象，她重新找上疏遠多年的好友...

In rural New England, a woman is marked by her first love’s death in a mountain tunnel. Drawn into the mystery of a new disappearance, she finds herself confronting a seductive and terrifying presence buried beneath the town.