The story of "Spice and Spell" revolves around Mon, the owner of a salad restaurant called "Mon Yum Muan". Because of the unique taste of her salads, the small restaurant became famous among locals and tourists through word of mouth. Mon intends to keep the location of her restaurant a secret due to personal reasons. Accidentally the restaurant caught the eye of Beauty, a famous foodie influencer who wanted to be the first to film a review of the place. She sends Tos, her cameraman, who desperately needs money to pay off his debts, to find out the restaurant's location. When Beauty arrives at the place to film the review, Mon forbids her from entering her restaurant ever again. As a revenge Beauty wants to open her own salad restaurant to steal all Mon's clients . Tos volunteers to steal Mon's family's secret salad recipe for Beauty in exchange for a large sum of money. Will Tos succeed in his mission or his heart will be stolen first?