In the play, Jung Hae-in will play the role of Ha Won, an AI programmer who is a leading planner in the field of AI and the founder and CEO of the portal company M&H. In short, he has no temper. Although he sticks to his principles, he is kind and logical. He systematizes his behavior, psychology, memory and experience and embarks on the path of researching and producing AI. The research is successful and the story unfolds. Chae Soo-bin will play Han Seo-woo, who graduated from the Department of Computer Science and is a classical music recording engineer. She has no home or family, and her work is a bit confused. She lives a life that anyone would think is unstable, but she doesn't think so. Positive luck that cannot be seen by the naked eye is her nourishment. When she wants to relax, she solves complex math problems. She is a 29-year-old young man who wants nothing but to heal herself. Written by the screenwriter of "The Way to the Airport" and the movie "Yoo Yeol's Music Album", directed by the director of "The Wife I Know", and produced by StudioDragon.