1920. Jean Rezeau and his elder brother were living happily in their family estate in Brittany, until the death of their grandmother. The return of their mother, a worthy descendant of fairytales' witches, brings an all new atmosphere to their home.
At the beginning of the 20th century, Claude Roc, a young middle-class Frenchman, befriends Ann, an Englishwoman. While spending time in England with Ann’s family, Claude falls in love with her sister Muriel, but both families lay down a year-long separation without contact before they may marry.
A young woman is questioned by the police and the judges, suspected of being a modern witch. The girl who shared her apartment has been found dead, and a pair of scissors impaled through her heart, as she lay attached to the bedposts. Apparently, the girl does have powers, to make all people around her fall prey to her spell, glissing progressively into desire, lust, and the unknown.
