The Three Mothers (Le Tre madri in Italian) is a trilogy of supernatural horror films by Italian film director Dario Argento. It consists of Suspiria, Inferno and The Mother of Tears. Each film deals with one of the titular "Mothers", a triumvirate of ancient and evil witches whose powerful magic allows them to manipulate world events on a global scale.
http://en.wikipedia.org/wiki/The_Three_Mothers
