A bicycling vacation in France turns into sheer horror for two young British     nurses in this terrifying film from Robert Fuest (The Abominable Dr.          Phibes). A mysterious stranger appears in the desolate countryside and one    of the girls disappears, leaving the other in a panicked race for survival. "A tense thriller...Fuest's direction is a revelation" (Ten Years of Terror:   British Horror Films of the 1970s).                                         Robert Fuest---Great Britain---1970---99 mins.