Possible Clues:

• At night, unlit street's bordering French city
• Opaque, in a way
• Black look welcoming first of legion onto ship
• Black sailor, lower in rank, follows Pole
• Might a low budget film be so dark?
• Dark, like a low-budget movie?
• Like an overcast night sky
• Dark without famous people?
• Fresh alert's given with ship lacking traditional means of navigation?
• Dark tassels twisted around first of ropes