A young celebrity receives a letter from a mysterious stalker and develops catalepsy, a condition that paralyzes her whenever she feels threatened. After more letters arrive, suspicion falls on members of her inner circle, all of whom are dangerously obsessed with her.
After an earthquake leaves Danny trapped and alone, his claustrophobic nightmare only gets worse when something truly horrifying emerges from the fissures in the ground, forcing him to engage in a brutal fight for his life and his sanity.
