The telenovela tells the story of Poliana, a girl who loses her parents and lives with her aunt, Luísa, in São Paulo.

It also has the mystery of Mr. Pendleton, the confusions of the club MaGaBeLo and the story of João, a boy who leaves Ceará by himself to seek new adventures in Sao Paulo after meeting his friend, Poliana, by chance.

Poliana is a very positive 11-year-old girl and daughter of the multi-talented artist couple formed by director and actor Lorenzo and actress Alice.

João has a strong personality and lives in a shack in the middle of the northeastern backwoods under the care of his rude father Tião and submissive mother, Josefa.

Walking around the neighborhood, Poliana stumbles upon a serious and very reserved man with his dog, Mr. Pendleton, resident of Mansion 242, one of the largest in the area.

She feels obligated to find a home for João, reunite her aunt and uncle again, and unravel the mystery of Luisa's old love so that she can reconnect again and no longer be alone.

Even in the midst of difficulties and adapting to a new reality, Poliana always tries to see the bright side of life and spread the good message of the glad game wherever she goes.

[18] Directors then decided to give her another role in the telenovela, since the title character in the book is only 11-years-old, while Manoela was 16 at the time and failed to look younger.

[8] Mel Lisboa was invited to portray Luisa, but the actress declined because she could not be absent from her theater commitments every day of the week.

Milena Toscano, who had previously turned down a supporting role in Cúmplices de um Resgate to star in O Rico e Lázaro on RecordTV, was cast as Luisa.

[21] Igor Rickli was called to portray Afonso, but the actor preferred to renew his contract with RecordTV, passing the role to Victor Pecoraro, who had been dismissed by the same channel.

In March 2018, Milena Toscano discovered that she was pregnant and had to abandon the cast, with the fate unknown for her character, who was part of the main plot.