Yamudu is a dubbed version of tamil movie "Singam" and it is an action romance based movie in which, Suriya is a sub inspector in Nallur in Tuticorin district. He wants to run the family business - running a provision shop and convert it to a huge departmental store.
But his father (Radha Ravi) fantasizes him to become a cop. He lives up to his father's words and becomes a sub-inspector in the local police station.
An amiable family, Singam lives at peace with everyone. Obviously their family is respected a lot in the village. Enters Anushka, on a vacation to the village to her grandparents’ house. She comes across Singam and his upright manner and righteous nature attracts her. It’s romance between them.