What if a single letter could change everything you thought you knew about yourself? Sadie Miles has built a life she can be proud of in Nashville, raising her best friend’s young son and pushing through every struggle that comes her way. But when an unsigned letter arrives at her door, she’s faced with a ignore the letter and continue as is or take a risk to uncover the truth about her past—a truth she’s been chasing her entire life. Following the letter’s cryptic instructions, Sadie finds herself aboard a luxury yacht, sailing down the eastern seaboard with strangers who share only one common claim the fortune that awaits at the journey’s end. As the waves churn, so does the tension and when tragedy strikes, it becomes clear that someone will do anything to ensure they’re the last one standing. Amidst the growing threat, Sadie’s only possible ally is the enigmatic lawyer, Liam Forrester—a man whose loyalties are as uncertain as the stormy seas around them, and who is as much of an unknown as the rest. With Sadie on course to be the next victim, she must navigate treacherous waters both literally and figuratively. Can she survive until the end of the journey, or will she become another casualty of the deadly undertow of deceit and danger? Buckle up for a suspenseful, slow-burn thriller that escalates to a heart-pounding conclusion—where every choice could be your last.