Heroes Next Door

A group of retired special-forces operatives that includes Choi Kang, Gwak Byung-nam, Jung Nam-yeon, Lee Yong-hee, and Park Jeong-hwan get together to protect their families and the neighborhood of Changri-dong. They have lived all these years as ordinary civilians and now use military training to fight back against unusual incidents, including series of mysterious explosions, and deal with day-to-day life.