Distributor U.S. Release
The movie is based on the true story of a woman and her fiance who, after setting sail from Tahiti, find themselves in the middle of a massive hurricane. After being knocked unconscious, the woman finds her boat in ruins and her fiance missing, now lost at sea. The rest of the story follows her 1,500 mile journey back to Hawaii while battling the elements.
a paraphrased formulation from variety.com on January 8, 2017