Chu Xintian had a bright future as a pastry chef, but she transmigrates to the Chongning dynasty and becomes a young cook. Her mistress is now traveling to a neighboring country under imperial orders alongside Prince Fu, the most profligate and willful man in the dynasty, and Chu Xintian has been assigned to accompany them. She never expected to suffer such terrible seasickness. With no choice, she sneaks off to make a midnight snack while the ship slows down, but its aroma attracts a mysterious man looking for a free meal. He claims to be a servant of the physician traveling with them. After he more or less threatens her into it, she reluctantly becomes the night-shift cook...