Fifteen years ago, three friends buried a terrible secret. Now, they're trapped together in a secluded mountain villa where the past refuses to stay dead. Alex built a fortune. Ben built a family. Chloe built walls around the grief that never truly left her. But when an anonymous message appears during their uneasy reunion, old wounds split open, buried betrayals rise to the surface, and the truth surrounding a deadly storm begins to unravel. What really happened the night Sarah died? As accusations spiral and hidden affairs, financial deception, and long-buried resentments come to light, the line between victim and villain begins to disappear. In a house filled with secrets, no one can be trusted—and everyone has something to lose. Dark, atmospheric, and emotionally charged, Beneath the Vow is a gripping psychological thriller about guilt, obsession, betrayal, and the devastating cost of the lies we tell to survive.