Bong Hwan is a successful young chef, but he finds himself in trouble. After accidentally falling into a swimming pool while being chased by the police, he wakes up in the Joseon dynasty in a woman's body. And the body he is trapped in belongs to the future queen of all people. Bong Hwan must find a way to go back.

So Yong escapes from danger with the help of her cousin, Byeong In. Cheoljong becomes aware of the Kim clan's movements to protect So Yong and grows suspicious of her. Meanwhile, So Yong misses modern food and decides to make it herself in the royal kitchen. She decides that she must win over the Grand Queen Dowager's heart with food.