Lin Xiao will do anything to save her tiny bakery Sugar Corner on a historic lane in Shanghai. Li Zeyan, Shanghai's coldest billionaire, wants to demolish the lane for a luxury mall. She throws flour on his suit on Douyin live and goes viral as "Flour Girl." Court forces them to run the bakery TOGETHER for 30 days. If they profit, street stays. If not, he demolishes it. Trapped in one tiny kitchen, enemies turn to lovers.