Shadow of a Doubt (1970)

Sinopsis

Bruno, a young film student, discovers one night that the path he always takes to return home from university is blocked by a strange presence. A kind of dark silhouette that appears only to vanish without a trace. Every night, without exception, the same phenomenon repeats itself. In his desperation, Bruno turns to Clara, a fellow student, who will help him unravel the mystery. Caught between an enigma that seems unsolvable and a romance overshadowed by fear, Bruno and Clara will walk together down the dark path laid before them by the shadow's appearance.