Trapped on a storm-damaged yacht, a grieving woman must conquer her worst fears and fight for her life, in a story described as on a yacht. Dr. Dagny Steele is on the verge of fulfilling her lifelong calling to become a pediatric surgeon when the sudden death of her daughter sends her into a crushing depression. Grief stricken and desperate to heal, she takes a leave of absence and sails across the Indian Ocean with her husband. Dagny begins to recover from her tragic loss when her voyage turns into a nightmare. Isolated and hunted at sea, can she survive a deadly crucible?