Suspiria, about an American ballet student, Suzy Bannion (Jessica Harper), who transfers to a prestigious dance academy in Germany, only to find out that the academy is not what it seems, is the first of Argento’s Le Tre madri ( The Three Mothers ) Trilogy, which is rounded off by Inferno (1980( and La Terza madre ( The Mother of Tears , 2007), literally translating in English to “the third mother.”