My Sassy Girl and Windstruck director Jae-young Kwak wraps up his popular "My Sassy Girl" series with this romantic comedy about a lonely young may who fall in love with an emotionless cyborg. Jiro (Keisuke Koide) is celebrating his birthday alone when he crosses paths with a mysterious young beauty. After a lovely dinner together, the girl vanishes without a trace. Exactly one year later, the girl reappears to celebrate Jiro's twenty-first birthday. But something is different this year, and when the situation suddenly turns violent Jiro makes a shocking discovery about his eccentric new companion. As benevolent and beautiful as she may be, however, is there such a thing as true love between man and machine?