When the past refuses to stay buried... the hunt begins again.After exposing the SHARP project and barely surviving its horrors, investigative survivor Anaya Sen is forced back into the shadows. A chilling message, a missing girl, and a mysterious audio file reignite her worst fears.As she races against time through secret labs, buried memories, and betrayal, Anaya uncovers Echo Protocol - a terrifying experiment designed to control the human mind. The deeper she goes, the more she realizes: this isn't just a cover-up. It's a countdown.With the world on the brink and a deadly kill-switch ticking inside an innocent girl, Anaya must choose between sacrifice and salvation.Echoes in the Dark is the explosive second installment in The Vanished Files, a thriller series packed with psychological tension, global stakes, and shocking revelations.Perfect for fans of Girl with the Dragon Tattoo, Jack Reacher, and Mindhunter.