The Bus on Thursday

Freshly single and thoroughly traumatised from the ordeals of breast cancer, Eleanor Mellett starts a new job as a teacher in a remote mountain hamlet. It's certainly peaceful enough, almost too peaceful. But what's become of the previous teacher, the saintly Miss Barker, who has disappeared abruptly under mysterious circumstances? And what's with all those locks on the door? And what the hell is that bus doing idling outside her house late, late at night?