Dessert chef Susu cherishes baking dreams, yet repeatedly faces nitpicking from the strict dentist Lao Bai next door due to high-sugar desserts. In order to defeat malicious competing peers and save the shop, the two contrasting personalities form a partnership, attempting to combine dental knowledge with baking techniques to develop tooth-protecting, healthy, sugar-free desserts. Facing multiple resistances such as high costs, R and D failures, and family conflicts, whether they can complete the mysterious recipe left by Lao Bai's late wife and win the challenge remains to be seen.