After several Catholic school pupils are murdered, a teacher who is having an affair with one of his students becomes a suspect. When other gruesome murders start occurring shortly thereafter, the teacher suspects that he may be the cause of them.
What Have You Done to Solange? is a 1972 giallo film directed by Massimo Dallamano and starring Fabio Testi, Karin Baal, Joachim Fuchsberger, Cristina Galbó, and Camille Keaton. The plot follows a series of violent murders occurring at a Catholic girls' school in London, where a young student has gone missing.