Question: Build a movie plot around this: Whose murder is Raja investigating? Raja is investigating broker Govindan's murder
Answer:
Sundharam (Sivaji Ganesan) loves Gomathi (C. R. Vijayakumari), where the latter is an orphan and lives with her uncle's family. Sundharam leaves to the United States of America for further studies. When Sundharam comes back four years later, he was shocked to see that his mother Vedhavalli (M. V. Rajamma) as a widow and was told that his father Sambasivam committed suicide due to of disgrace that unable to pay back the loans.Sundharam leaves to Bombay for an interview where comes across a murder of broker Govindan tooks place and shocked to see that the murderer is Punniyakodi (S. V. Ranga Rao) who is later introduced as Gomathi's father in a police investigation. Sundharam helps Punniyakodi to escape and in turn is suspected by the police as the culprit instead. Police Superintendent Raja (S. S. Rajendran) is appointed to investigate the murder case. When Gomathi's uncle refuses to let her getting married to Sundharam, she leaves home following Vedhavalli to Madurai. Sundharam travels back to Madras where he bumps into Suseela (Sharadha) on the road. Sundaram finds Govindan's family and offers help who initially refuses but later accepts when persuaded and explained. While leaving Gobvindan's house, Sundharam learns that Punniyakodi is living as a fugitive had changed his name as James and staying with a crook Kandhan (O. A. K. Thevar). Sundharam seeks his friend Dhas (R. Muthuraman) help in taking care of Punniyakodi for the time being and goes to Madurai ans explaines to Vedhavalli and Gomathi that he is a murderer and wanted by the police but Vedhavalli refuses to accept Sundharam as her son due to the conviction.Sundharam upon reading an advertisement in the news paper, joins as a tuition teacher in disguise as Kalamegam. There Sundharam learns that Suseela's father is Justice Somanathan (S. V. Sahasranamam), her cousin is Inspector Raja, servants Arasan (Nagesh) and Kanniamma (Manorama). Meanwhile Superintendent Raja hatches a plan to move Vedhavalli and Gomathi to Dhas's house so that to ease to...