 In Zagreb during 1939, Matija Remenar studies at a private acting school and rents a room from the middle-aged Ms. Slajner. The previous three occupants of his room hanged themselves. Inspector Stevovic is investigating the three deaths. His only clue is an unusual spider that was found on all three bodies. Matija helps the inspector, while Ms. Slajner displays an erotic interest in the young man. Matija is attracted to a mysterious girl who appears in the window of the house across the street. He calls her Nausikaja.