After losing her father in the sea, Rosa is lodged in the house of the lighthouse keeper João Vidal. António Gaspar, also a lighthouse keeper, loves Rosa. His jealousy of João Vidal will provoke the death of Rosa, an act that the mother of António will help to cover up.

• Caldevilla Films
• Maurice Mariaud
• Castro Neves
• Maria Sampaio
• Abgaída de Almeida
• Augusto Machado
• Sebastião Ribeiro
• Sofia Santos