The drama is about a genius engineer named Han Tae Sul who is trying to find out what happened to his older brother and a mysterious woman named Gang Seo Hae who goes back in time to help him save the world from an impending threat.
- Cho Seung Woo as Han Tae Sul
- Park Shin Hye as Kang Seo Hae
- Kim Byung Chul as Seo Won Ju
- Sung Dong Il as President Park
No. Of Episodes – 16
Watch On – Netflix