Polladhavan

Seetha (Lakshmi) is travelling with her nephew to an estate to attend her job interview as a nanny. There is a suspicious looking man seated in front of her, at a point in the journey he tries to rape her but suddenly he is shot dead. She reports the murder to the police (Delhi Ganesh) then she is appointed for the nanny position and she and the merchant's daughter grow fond of each other. Then it is announced that the merchant, named Manohar, has come back form his journey, only to find that he is the murderer she saw on the train