João and Maria do Mar face infertility, leading to a momentary lapse when João gets seduced by Maria's best friend, Bá. However, Maria forgives him, but fears that Bá might be pregnant. Meanwhile, Maria do Mar works at an orphanage where she becomes attached to Sílvia, a five-year-old girl she wishes to adopt, but complications arise when Sílvia's biological mother appears to reclaim her.