When ten-year-old Maisie suddenly has to close her lemonade stand, career woman Trish sees an opportunity to help the company Sunny Day Lemonade she works for and Maisie. She reluctantly returns to her hometown, only to find out that Maisie's father is her childhood sweetheart Evan. As they try to get a license for the lemonade stand together, they grow closer and old feelings resurface.