As the ship Legacy of the Sea cuts through the waters beneath an apparently calm sky, a celebration unfolds on board: the birthday of the young captain, Kael Navarro. Laughter, music, and stories fill the night, and for a few hours, the ocean feels like nothing more than a backdrop for joy. But not everything is so distant. Beneath the surface, among shadows and reflections of light, Esther swims alone. As always. With no fixed destination, guided only by curiosity, she drifts closer than she sh