Thangam

Thangam is a Tamil film starring Sathyaraj and Goundamani about the life of a village dogooder in Tamil Nadu.

The story has many twists and turns. Aaruchami, a compulsive womanizer, woo Thangams sister and makes her pregnant. Thangam, who is mad of his sister, makes Aaruchami marry him. Aaruchami commits a murder but Thangam accepts the responsibility and go to the jail to save Aaruchami, to make the marriage of his sister possible.Later, the relationship between the families is affected further with Mahadevan revolts against Rajendranath to make his son Aaruchami as MLA. In the process, he commits a murder and gets punished. ........

Source: Wikipedia