

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.
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Cast
Seasons
There are two different types of cities that exist in this society. One consists of clean air with pleasant atmosphere with no crimes. The other consists of filth and corruption beyond any kind of imagination.

1.Crimeless City
22-05-201760mPart 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...

2.Memories
23-05-201760mIn 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...

3.I Don't Remember
29-05-201760mIn 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 Par...

4.Beom Gyun
30-05-201760mIn Part 1, Jeong Yeon gets attacked by a woman that claims that she’s an alien and shows Woo Jin a picture of her with the toy star that he gave her 10 years ago. In Part 2, Bluebi...

5.The Blue Bird
05-06-201760mIn part 1, After Woo Jin shows Jeong Yeon the photo of them together ten years ago, she gets confused about who she is. In part 2, Beom Gyun meets Jeong Yeon who had become Bluebir...

6.The Chairman
06-06-201760mIn part 1, While digging for clues, Woo Jin finds a picture of Professor Han and his dad standing in front of Eunsung Psychiatric Hospital. In part 2, Beom Gyun meets Dong Geon. Fr...

7.Memories
12-06-201760mIn Part 1, Woo Jin finds out that Professor Han is behind Beom Gyun’s disappearance. In Part 2, Everyone who’s been looking for Woo Jin is suspecting him to be the chairman of Huma...

8.The Chairman of Human B
13-06-201760mIn part 1, Woo Jin finds Beom Gyun in the house they used to live in when they were little. In part 2, the chairman of Human B asks to meet Beom Gyun. But it is discovered that the...

9.Woo Jin
19-06-201760mIn Part 1, Woo Jin realize that Beom Gyun is losing his memories. And at their old house, Woo Jin and Jeong Yeon finds something unexpected. In Part 2, Dong Geon tells Joon Hyeok t...

10.The Supercomputer
20-06-201760mIn Part 1, Dong Geon and Human B join hands and try to come up with a plan to get Woo Jin and Jeong Yeon. In Part 2, Jeong Yeon and Joon Hyeok go to Human B to find Woo Jin after f...

11.Is That You, Woo Jin?
26-06-201760mThe person coming down the stairs turned out to be Woo Jin’s clone. At first, Joon Hyeok denies that he’s Woo Jin because of the real Woo Jin who died. But as the clone tells him h...

12.The Finale
27-06-201760mJoon Hyeok suspects that Mayor Yoon has seen something that can be used against Dong Geon. Since Jeong Yeon can unlock his memories, they decide to take him out of Human B’s hands...
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