After an unsuccessful attempt at seduction by her friend Laura, Mary escapes to the French chateau where her flatmate, Philippe, is spending a holiday. The count at the chateau has some curious ways of entertaining his guests, however, and the na ve Mary and Philippe are soon initiated into new and perverse ways of loving. Laura, worried about Mary, follows her to France and joins in the bizarre games at the chateau. But what they don't realise is that the count harbours a terrible secret, which puts all their lives in danger.