Arasu (English: Kingdom) is a 2003 Tamil film starring R. Sarathkumar, Simran, Delhi Ganesh, Vadivelu, Roja Selvamani, Kiran Rathod and directed by Suresh.
The film opens with (Sarath Kumar) murdering a person in Mumbai. Later the story shifts to Kumbakonam where he is an assistant to a temple priest (Delhi Ganesh). Soon the priest’s daughter Meera (Simran) falls in love with Arasu. At the stroke of interval sheds his mask and murders a rowdy who is out from jail and this shocks everybody. Then in a flashback he tells that his father (Sarath Kumar)believes in taking law into his hands and his wife Sivahaamy (roja) will be support with him and so had lot of enemies. When he confronts a bad guy (Sai Kumar) and humiliates him, the villains later kills father along with his wife . The rest of the story is how Arasu takes revenge for killing his parents .