A murder mystery.A psychological thriller.A truth no one was meant to uncover.When a body is discovered near a remote lighthouse, Detective Mara Ellis is drawn into a chilling whodunit mystery that quickly becomes a high-stakes crime thriller. What starts as a single murder investigation spirals into a dark conspiracy thriller, where secrets are buried deep and power operates in the shadows.As Mara follows the trail of lies, suspects begin to fall-and so do the rules. Evidence disappears. Witnesses lie. And every step closer to the truth makes her question who she can trust. In a world where control is currency, uncovering the truth may be the most dangerous act of all.With each twist, The Last One Who Knew transforms from a classic detective thriller into a gripping psychological suspense novel that explores corruption, manipulation, and the terrifying idea that the real villain is not a person-but a system designed to survive exposure.Dark, intelligent, and relentlessly suspenseful, this murder mystery with a shocking twist ending will keep readers turning pages late into the night.