A young boy name Tristan one day meet an Organization . There he finds about the echo device which can record someone's echo using a small, advanced device that resembles smartphone . This device, called the "Echo Tracker," uses biometric sensors to capture the person's unique energy signature, which is then transmitted to The Echo Device. . This device can change the fate of person in a positive way but the other Echo Device can only alter destiny in negative ways, making it a tool of darknes