One evening, in Campo Formoso, two young people meet, María Dalva and Turquoise, two lovers who will never realize their love. On one of those nights, the young man (Turquoise) reveals his life mission to his beloved: to save a lost princess. Years and years go by until the birth of a peculiar little girl. Xandra is that girl; her birth was a miracle, given her parent's age and the difference in years with her siblings, being the youngest with a difference of more than fifteen years. She is happy living in the countryside and climbing trees until one day, she finds a fountain, which will be the purpose of her existence. Despite being protected by a large bird, some misfortunes are inevitable for her. With her medallion and her ability to breathe underwater, she will go from Campo Formoso to Rio, accompanied by friends and people she considers family.