Four years after losing her family at sea, Y/N returns to Blackwater Cove and receives a mysterious message from the brother she thought was dead. Forced to reunite with the friends she left behind, she follows a trail of riddles across the Pacific toward a lost island hiding a forgotten city and dangerous secrets. But as old friendships are tested, new feelings emerge, and betrayals threaten to tear them apart, Y/N must decide who she can trust before the truth is lost forever.