Sisyphus
시지프스 : the myth (original)
An unfathomable incident introduces a genius engineer to dangerous secrets of the world — and to a woman from the future who's come looking for him.
Starring Cho Seung-woo, Park Shin-hye, Chae Jong-hyeop, Sung Dong-il, Tae In-ho, Tae Won-seok, Jeon Kuk-hwan, Heo Joon-seok, Jung Hye-in, Choi Jung-woo
Watch "Sisyphus" on Netflix released in 2021. It's a drama and action & adventure show, and has a rating of 7 out of 10 from Imdb which is usually fine for this kind of show.