Sarai Gonzalez is a 4th-grade entrepreneur. Her cupcake business is doing great! Sarai even has two savings cans. One for family emergencies and one for a bright pink bike! At her Tata's house, Sarai finds out they are losing their home. Because they've been renting their home, now that the owners would like to sell, Sarai's grandparents will have to move away. Sarai is determined but can she sell enough cupcakes to pay for a whole house?