This series, which combines romantic, fantasy, and thriller elements, revolves around the intersection of two different worlds. Oh Yeon-Joo (Han Hyo-Joo) is a young woman working as a surgeon. Her father is a famous webtoon artist. One day, she gets pulled into her father's comic world and encounters Kang Chul (Lee Jong-Suk) there. Kang Chul is a smart and powerful entrepreneur living within the comic. As Yeon-Joo travels between the real world and the comic world, she falls in love with Kang Chul while being drawn into a great struggle that will determine the fate of both worlds.
