

Circle
After Aliens arrive, the story takes place in two time streams: 2017 and 2037. In twenty years, and by 2037, the world has been divided into a “Smart Earth” where artificial intelligence has created a utopian environment in which no diseases or crimes exist, and an “Ordinary Earth” where people still suffer from rampant plague and lawlessness.
Overview
After Aliens arrive, the story takes place in two time streams: 2017 and 2037. In twenty years, and by 2037, the world has been divided into a “Smart Earth” where artificial intelligence has created a utopian environment in which no diseases or crimes exist, and an “Ordinary Earth” where people still suffer from rampant plague and lawlessness.
Episodes

1. Crimeless City
Part 1 deals with Woo Jin and his twin brother Beom Gyun. Beom Gyun has been following the tracks of an alien they both saw when they were young. Part 2 is about a murder case that happens in supposedly a crimeless city, Smart City. Joon Hyeok enters Smart City without the care chip implant to his brain to solve the case and find his brother.

2. Memories
In Part 1, Woo Jin meets the woman who he suspects is an alien. And he gets a call from his brother that he had found the aliens’ hideout and then loses contact with him. In Part 2, Joon Hyeok investigates Kim Min Ji case and realizes that her lost memory had been recovered.

3. I Don't Remember
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 it’s a microrobot. In Part 2, Joon Hyeok almost catches Bluebird, but he fails as Ho Soo interferes. Ho Soo shouts out that he doesn’t want to remember, and Joon Hyeok says he doesn’t remember anything, so he doesn’t know who he is.
Cast & Crew

Yeo Jin-goo
Kim Woo-Jin

Kim Kang-woo
Kim Joon-Hyuk

Gong Seung-yeon
Han Jung-Yeon

Lee Gi-kwang
Lee Ho-Soo

Kwon Hyuk-soo
Detective Oh

An Woo-yeon
Kim Beom-Gyoon




