In which the desperate concealment of a terrified man aboard a lighter bearing a precious treasure reveals the tense stillness and lurking dangers of a night-shadowed gulf, where courage and fear intermittently vie for mastery. As an unseen enemy vessel prowls close by, the taut vigilance of the resolute Capataz and the fleeting reflections of a thoughtful companion paint a sombre tableau of resolve and foreboding in the heart of a silent and watchful night.