Hammer House of Horror - Season 1 Episode 8 Children of the Full Moon

A friend lends Tom Martin a country cottage for a holiday with his wife, Sarah. On the way there, Tom's car runs out of control and he can't stop it. The car ends up at a house in the woods, where Tom and Sarah meet eight beautiful Hungarian children and their Nanny, Mrs Ardoy. That night, they have an experience which will change their lives.