Dong Guk is abducted and tortured in an unknown location. Woo Hyun passes the test and reveals the reason why he wishes to join the group. Woo Hyun wishes to be a part of the minority of superior species that controls the majority of inferior species. And to do so, Woo Hyun plans to use the group to his best interest. But the group despises Woo Hyun for not following orders and showing signs of mutiny. Meanwhile, Dong Guk’s acquaintances dig deeper into Woo Hyun's case.
Im Hwa-young
Yoon Seo-young
Sung Dong-il
Ko Dong-kook
Lee Seo-jin
Kang Woo-hyun
Seo Young-hee
Shin Yeon-soo
Kim Kwang-kyu
Jang Man-ho
Jo Dal-hwan
Bae Nam-Soo
Byun Hee-bong
Kim Shin-woo
Jang Seong-beom
Park Sung-Bum
Jang Won-hyung
Ho-gae
Yoon Kyung-ho
Mr. Yoon [Coffee owner]
Lee Ju-bin
Kim Shi Hyun [Woo Hyun's secretary]
Lee Si-hoon
Young Master
Dong Hyun-bae
Reporter Seo
Oh Han-kyul
Gang Shi Woo [Woo Hyun's son]
Choi Hong-il
Profiler Suk [Seo Yeong's superior]
Oh Ryoong
Hong Won Tae [Representative]
Lee Na-ra
Park Sun-mi (Go Min-joo's mother)
Choi Myeong-bin
Go Min Joo [Dong Gook's daughter]
Kwak Min-ho
Detective Gwang Su Dae
Choi Jae-sup
Reporter Go
Oh Chang-kyung
Yang Duk Chul [Detective]
Baek Ji-won
Mrs. Jo
Kwon Hyeok-beom
[Mrs. Jo's subordinate]