Synopsis

The story begins in 1970 in kodai hills in Madurai district. A total of eight employers are managing eight tea estates. In this, an 18-year-old girl named Azhagu, who lives in a tea plantation village called Edakadu, sets up a small hut in her village and takes lessons to the children so that the children of her village can also get the education she has learned through a non-governmental organization.Every now and then some NGO teachers come to Edakadu village, and one day a teacher named Selvam comes there, first he taught the children properly, then he started misbehaving with the village girl Azhagu. One day when teacher Selvam tries to misbehave with her, she slaps him on the cheek. Selvam, who can't bear to be beaten by a girl, roams the town angrily and as a result one day brutally attacks his students too and the students plan to attack the teacher who beat them. One morning, teacher Selvam was found dead at the door of the house where he was staying by bleeding from his head. Selvam's death creates confusion, then police inspector Amaithiraj finds out who killed Selvam through his meticulous investigation. At the end of the investigation, the background of the killers who killed Teacher Selvam is a hundred year history of serial murders.