There is nowhere better than the silence of the deepest oceans to scream your pain. Sofia, a young athletic woman is a professional yacht skipper. When her twin brother Matt dies accidently during the World Free Diving Championships, the media claim his death was due to negligence and lack of preparation. Against her mother’s advice, Sofia decides to train to dive to avenge her brother’s honor. But at depths of 100 meters, pride is hardly a good teacher.