Today is Tia's birthday! Cecilia wants to surprise her great-aunt, her Tia, with a very special present. But what could it be? Could it be Tia's favorite mixing bowl that she and Cecilia use to make delicious "bizcochos, " cookies? Could it be a ball like the one Tia played with as a little girl in Mexico? With the help of her mischievous cat, Chica, Cecilia plans the perfect surprise. And Tia has a very special surprise for Cecilia, too!