The Abominable Professor Fausto and the Death of Flavio the Unicorn

"WHERE IS FLAVIO THE UNICORN?!?"

A film teacher, fed up with his students, decides to start torturing and killing his class in gruesome ways. One student will manage to scape and cross to a parallel universe where she'll encounter a series of misterious creatures who will task her with finding the heart of Flavio the Unicorn in order to save her classmates.