Kairos, set to premiere on October 26, is about a man who falls into despair after his daughter is kidnapped and a woman who lives one month in the past from the time the man lives and is searching for her missing mother, desperately trying to save their loved ones. Instead of personally traveling in different time zones, he or she tries to stop the tragedy that has already occurred by communicating with different people from the present and the past. Shin Sung Rok, Lee Se Young, Ahn Bo Hyun, Nam Gyu Ri and Kang Seung Yoon will work together in Kairos, a time-crossing fantasy thriller. ┬Ā Shin Sung Rok ŌĆō Kim Seo Jin (the youngest director of Yoojoong Construction) In order to live a successful life, he worked diligently and became the youngest director of Yoojoong Construction. He is living a happy and successful life with his beautiful violinist wife and a cute daughter. But the moment his wife Kang Hyun Chae plays the violin at a charity concert hosted by his company and Seo JinŌĆÖs satisfaction reaches its peak, his daughter disappears. ┬Ā Lee Se Young ŌĆō Han Ae Ri (a student studying for Civil Service Examination) Ae RiŌĆÖs goal is to make money to treat her motherŌĆÖs heart disease. She finally made enough money so that her mother could go under surgery, but when her mother collapsed again, the golden chance just flew away. To make matters worse, her mother disappeared without a word. The moment when she falls into despair, a strange man calls and begs for her help, saying that she is the only one who can save his wife and daughter. And that strange man says he is living in the future, 31 days from now. ┬Ā Ahn Bo Hyun ŌĆō Seo Do Kyun (department manager of Yoojoong Construction) He started working earlier than others, began to study a step later than others, and joined Yoojoong Construction when he was older than others. But thanks to his bright and quick thoughts, he becomes a person all the departments covet and eventually finds favor in perfectionist Seo JinŌĆÖs eyes. He worships Seo Jin as ŌĆ£the living legend who overcame the hardships,ŌĆØ but a crack forms in his blind trust when Seo Jin is investigated by the police after allegations of illegal material use. ┬Ā Nam Gyu Ri ŌĆŌĆØ Kang Hyun Chae (Kim Seo JinŌĆÖs wife and a violinist) Hyun Chae, who fell into the abyss overnight as her fatherŌĆÖs company went bankrupt, meets Seo Jin at a reception at Yujung Construction, the place she visited as a part-time violin player. She disguised herself as the only daughter of a successful businessman, married Seo Jin and lives a life that everyone envies. But on the day of the charity concert, Hyun ChaeŌĆÖs world collapsed once again. ┬Ā Kang Seung Yoon ŌĆŌĆØ Im Geon Wook (Ae RiŌĆÖs friend) Ae Ri saved his grandmother who was hit by a hit-and-run car and readily lent the hospital bills. And that moment, he fell in love with her. From that day on, Geon Wook cares about Ae RiŌĆÖs works like his own.