In A Short Film About Love (1988), Krzysztof Kieślowski tells a poignant, unsettling story of a lonely young man who secretly observes a woman across the courtyard and becomes obsessed with the idea of love. As fantasy collides with reality, the film explores desire, emotional distance, and the moral limits of intimacy. A deeply human and psychologically sensitive study of longing and voyeurism.

Från IMDB:
A naive inexperienced young man spies on a woman who lives across the courtyard, and falls in love with her. He starts using tricks which he hopes will lead to them meeting.