Geum-hwa, a skilled tattoo artist, flees from a domineering ex-partner and embarks on an adventure to Japan to fulfill the request of a mysterious customer. Upon arrival, Geum-hwa is surprised to find out that the handsome man in front of her is Ryusei Katamoto, a half-Korean individual who belongs to a yakuza family. Geum-hwa's assignment is to create a tattoo that will cover a huge scorch mark on Ryusei's back. Despite the mutual attraction, Geum-hwa's previous relationship still haunts her. Will this new romance help her to forget the past?