Samantha Rite is in desperate need of a vacation. Her life is shattered when after 21 years of marriage, her husband walks out on her, leaving her for another woman. As Sam is trying to pick up the pieces and start over, her family decides now would be the perfect time for her to take a relaxing vacation. Before she can change her mind, she and her older sister are booked on a week-long Caribbean cruise. Just days before the trip, her sister is involved in a horrible accident and is unable to go. Persuaded to take this trip alone, Sam finds herself caught in the middle of a deadly adventure of a lifetime. Will she make it out alive?