Overview
Korea has been taken over by aliens, and three agents from two different timelines spearhead the war against them. An unknown monster strikes them! One day, a single scream in an urgent phone call was heard.
Cast
- Kim Sang-joong as Park Jung-bong
- Kim Kang-woo as Kim Hyo-chan
- Joo Won as Seo Seo-woong
- Park Choong-seon as President
- Kwon Eun-soo as Support Team
- Lee You-young as Mae-goo