The most advanced research submarine ever built is pressed into service to assist Professor Somne-Miller in testing a new, revolutionary method of gravity control. But they soon discover another organization wants control of the device and will stop at nothing to achieve their goals. Proteus: The weight of Gravity is a high action adventure taking place in some of the deepest parts of the ocean where enemy subs and ships use every means at their disposal to disable or destroy the Proteus and her unique crew.