Leela and Bholaram are a childless couple. Leela works as a midwife, and one day assists Sunderdas' wife to give birth to twin boys. She decides to keep one baby for herself, and tells Sunderdas that his wife has given birth to one child. There are complications for the mother, and she passes away without seeing her children. Leela and Bholaram bring up Kanhaiya, while Sunderdas attempts to bring up Kishen, but is unable to do a good job. So he marries Kamini, who comes along with her brother, Ghendamal, to live at the estate. She has an illegitimate child named Ramesh from another man, and when Sunderdas comes to know of this, he is threatened and attacked, and as a result of which he is paralyzed, unable to move. Kishen is brought by Kamini and Ghendamal with lot of abuse, and intimidation, and is kept illiterate, so that he can blindly sign away whatever documents he is asked to sign. Kishen likes Radha, a servant, and is married, but the atrocities do not stop, and then Kishen runs away. Ghendamal captures Kanhaiya, who also looks like Kishen, and brings him back, not realizing that the tables are now turned against him.
