Tak Gu was born as the son of Gu Il Jung, chairman of Geoseong Foods before his father knew he had a son. Il Jung's mistress, Seo In Suk, drove Tak Gu's mother, Mi Sun, and her son away. In Suk and Seung Jae, Il Jung's secretary, both conceived a son named Ma Jun. By covering up the truth, they make sure he is the first son of the Geoseong family. Born with a heightened sense of smell, Tak Gu receives training under Il Jung's teacher and begins to show signs of talent as a baker.