Circle

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… read more

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… read more

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… read more

In 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, Bluebird… read more

In 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 Bluebird.… read more

In 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. From… read more

In 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… read more

In 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… read more

In 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 that… read more

In 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 finding… read more

Part 1: Woo Jin finds out that all the research data was destroyed. He plotted for the research data in exchange for Beom Gyun's surgery to remove the bug and gave himself up as collateral.… read more

Joon 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… read more