These two men are very deceitful.  They are about to con an entire ship for their own goals.  The man in the captains hat is pretending to be the captain and convinced the entire crew of this.  The man in the shadow is who is in charge and convinced the other man to lie and be the captain.  He has held the real captain captive and will stop at nothing to get what he wants.  He is very dangerous which is why the other man is pretending to be the captain for him.  They are trying to smuggle illegal substances into the country and the success of this plan is imperative to the life of the man imitating the captain 
