Victor inquires Galina for a project "Gemini" and wants to find disappearing girls-orphans. Nadya and Alisa is sure that one of teachers is a vampire. Maria finds the stolen Tolik documents understands why from them Peter Morozov is ready to go on murder. Volodya guesses, who killed Krylov. The ghosts of Sonya and Misha call Liza in a cave. And guys find out why exactly Sonya and Misha became the victims of "Ingrid".