Watch El Corazón de las Tinieblas for Free: How to Stream the Movie Online at 123Movies. . Joseph is a sailor who returns to his aunt's home after 14 years at sea, there he will be involved in the process of African colonialism signing a contract to travel to Congo captaining a ship called Florida that is shipwrecked as soon as it reaches Congo forcing them to walk the Congolese forest in the heart of darkness