
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.

S1 E12 • 6/27/2017
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 and unlock it. And since Min Young is a doctor, she sneaks in to the hospital to take him out.
Featured Cast

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

Kim Joong-ki
Kim Kyu-Cheol

Min Sung-wook
Lee Hyun-Seok

Nam Myung-ryeol
Yoon Hak-Joo

Lee Hwa-Kyum
Secretary Shin

Seo Hyun-chul
Hong Jin-Hong

Song Young-gyu
Hwang Yong-Woo