Season 1 of Kairos premiered on October 26, 2020.

Seo Jin, a father and a husband of a close-knit family, has been living a successful life as the youngest person to become a director at a construction company. One day, it all crumbles down with the kidnapping of his daughter and his wife’s suicide. On the verge of breaking down, he is given an opportunity to restore everything that was lost under one condition, help from a strange woman.