Recovering from a recent nervous breakdown, a young London newlywed (Judy Geeson) moves to the country where her teacher husband has taken a new job at a boys' school. But when she's repeatedly attacked by a one-armed, black-gloved maniac, nobody - including the sinister headmaster (Peter Cushing) and his jealous wife (Joan Collins) - will believe her.
Recovering from a recent nervous breakdown, a young London newlywed (Judy Geeson) moves to the country where her teacher husband has taken a new job at a boys' school. But when she's repeatedly attacked by a one-armed, black-gloved maniac, nobody - including the sinister headmaster (Peter Cushing) and his jealous wife (Joan Collins) - will believe her.