The simple and naive country girl Mariana arrives in Rio de Janeiro from Minas Gerais trying to find her fiancé, José da Silva, with his picture only, and without his phone number or address. She is lodged and welcomed by her simple lower middle class relatives, and sooner they are informed that Mariana is pregnant. The family decides to help her to find José da Silva: her aunt, the kind hearted housewife D. Gisa: her cousins, the bus driver Baiano and the aspirant radio singer Elisa; the family's friend, the street-car driver Eduardo; and their neighbor composer, all of them join Mariana in her almost impossible quest, equivalent to find a needle in a haystack. When the shy Eduardo and the simple Mariana fall in love for each other, José da Silva is finally found. But the winding road of love keeps them together.