The word "Hippocampus" was inspired by the hippocampus, a part of the brain located in the temporal lobe, which plays a key role in the learning process and in the formation of new memories about events lived. It is the hippocampus, which connects all the different parts of an experience to form an episodic memory. The letter M is a tribute to "M - The Monster of Dusseldorf" the film by Fritz Lang inspired crimes committed in Germany in the Twenties. The number "21th" references the period in which the film is set, the twenty-first century: the monsters of today. Apartment 37413 Once a week three crazy brothers meet to relive their childhood disorder eating human raw organs and living a sadomasochistic rapport/intercourse... Apartment 28513 The torture of Barbie. A man enjoys torturing and scarring Barbie, but one day he'll decide to do it with real women... Apartment 13396 A painter uses his blood and his muse's faces to prepare the perfect colors for his masterpiece... Apartment 1932301 A woman is looking for a way to becomes excited and she'll discover it touching/with the contact of insects and cockroaches... Apartment 121197 A self-destructive necromancer conserves the mummified corpse of his husband and every night she has sex with it... Apartment 7428M An erotomaniac obsessed by a clown who is in his house blowing up balloons and exploding it.