follows the unique story of three not-so-perfect but extraordinary characters. So Yun has distanced herself from the rest of the world due to her face blindness disorder. Holo and Nan Do look exactly the same but are polar opposites. Holo is a perfect AI assistant who realizes his limits as an artificial intelligence. Nan Do is Holo's developer who begins to have feelings for So Yun, while watching her and Holo interact.

Starring:

Hwang Chan-sung, Kang Seung-hyun, Ko Sung-hee, Choi Yeo-jin, Yoon Hyun-min, Lee Jung-eun, Lee Ki-chan, Kim Soo-jin

Genre:

Drama, Romance, Sci-Fi