Echo 3 is a thrilling action-drama series that follows the story of a group of U.S. Army Rangers who are sent on a dangerous mission to rescue a CIA operative in South America. However, things take a turn for the worse when they discover that the operative is not who she seems to be. The show is packed with intense action sequences, heart-pumping suspense, and complex characters that keep viewers on the edge of their seats. Unfortunately, the show has ended, but fans can sign up for a reminder just in case it returns. Echo 3 is a must-watch for anyone who enjoys heart-racing, action-packed dramas.