Circle Temporada 1 Episódio 3

In Part 1, Woo Jin and Jeong Yeon witness what is supposedly a suicide and from the body of the victim comes out a blue bug. They cut it open to find that its a microrobot. In Part 2, Joon Hyeok almost catches Bluebird, but he fails as Ho Soo interferes. Ho Soo shouts out that he doesnt want to remember, and Joon Hyeok says he doesnt remember anything, so he doesnt know who he is.