Please answer the following question: Build a movie plot around this: Whose death causes the baby mix up? Nurses
A:
Zamindar Sivalingam (Sivaji Ganesan) is married to Lakshmiammal (Sowcar Janaki) and takes his family's prestige and heritage very seriously. Dancer Sulochana and Lakshmiammal have baby girls at the same time in the same hospital.Sivalingam is not in town at the time of the delivery and his close friend Ramaswamy (V. K. Ramasamy) takes care of Lakshmiammal. When the babies are taken for cleaning by the nurses, there is a short circuit and both nurses die. There is no way of identifying the babies. Sulochana who was abandoned by her husband, leaves the hospital. The doctor (Thambaram Lalitha) brings both babies to Lakshmiammal and she is not able to identify her baby either.Sivalingam arrives and seeing both babies in the room assumes he has twins. Knowing how important the family line is to him, Lakshmiammal, Ramaswamy and the doctor don't tell him the truth. Both girls, Chandra (Vijayakumari) and Kantha (Pushpalatha) grow up as the zamindar's daughters. Sulochana's brother, Nadaraj (M. R. Radha), who comes to know that his niece is growing up in Sivalingam's household and faced with the same confusion, takes up Lakshmiammal's offer and stays on there as a caretaker. Meanwhile, Lakshmiammal and Ramaswamy's wife, Parvathi (Radha Bhai), who are childhood friends promise to get their children married to each other.Chandra has a birthmark which is said to be very lucky but is by nature more like her Lakshmiammal. Kantha is more like Sivalingam. Chandra falls in love with her classmate Shekar (R. Muthuraman). Since he is the son of his wealthy friend, the late Mohanasundaram, Sivalingam agrees to the wedding.Ramaswamy, who lives lavishly and who is careless in his business matters, faces severe business losses and approaches Sivalingam for to back him in business matters. Sivalingam promises to give him money but refuses to let him use his name or claim his acquaintance. He also gives a job to Sundaram (A. V. M. Rajan) in one of his factories but refuses to have any further contacts with their family.When...