Laura Zapata

Rodolfo Peñareal is obsessed with having a male child. After many miscarriages, his wife Blanca is pregnant again. One night, a girl is born, but they believe that she was born dead. In the same town, in another, more humble house, a boy is born, but his mother dies during labor. The midwife and the nanny of Blanca, with their best intention and with the aim to calm down Rodolfo, decide to exchange the children. (Wikipedia)

María Mercedes, a poor girl who sells lottery tickets, meets a rich man who hates his own family and sees in María Mercedes an opportunity to make their lives miserable. (imdb)

Esmeralda, whom everybody calls "The Stray Cat", grew up in a suburban slum under miserable conditions. Ever since she was a little girl she has lived with Dona Rita, who exploits her by sending her out on the streets to beg in order to earn her keep. As a child, she became friends with Pablo, a wealthy child who cares for her and tries to help her behind his mother's back. (imdb)