While vacationing in Auvergne, pretty French girls Françoise (Mireille Saunin) and Anna (Michèle Perello) stumble upon a mysterious castle inhabited by the beautiful Morgana Le Fay (Dominique Delpierre) and her creepy dwarf, Gurth (Alfred Baillou). But the two friends soon discover a terrible secret: Their hostess requires the souls of unsuspecting females to continue her immortal life, and now Morgana's got her eye on them.