1 8 1When Amber Chesborough goes missing along the Colombia-Venezuela border, her brother and her husband struggle to find her against the backdrop of a secret war. Download: Echo 3 Season 1 Summary 8.0 great Echo 3 (2022-) 1When Amber Chesborough goes missing along the Colombia-Venezuela border, her brother and her husband struggle to find her against the backdrop of a secret war. Download: Echo 3 Season 1 Streaming and download link will work only for Authorized Users. Read this for more info.