The storyline of the Hindi dubbed movie Thadaka revolves around the unbreakable bond of two brothers Siva and Karthik. Siva, the elder brother is a timid and a shy guy, who fears everything and hates violence. On the other hand, the younger brother Karthik is a daring fellow, always taking the bulls by its horns. After the death of their father, who was a cop, Siva gets the job of a cop. Later, when Siva gets transferred to a seashore town where the crime rate is very high, his brother Karthik follows him there, to help control crime. Gradually, the crime rate in that town comes down and Siva's praise can be heard all around the town, the cop who fought crime and ended it for good. However, it is not Siva, but Karthik who is the actual fighter behind all this.
