Mettukudi

Mettukudi is an Indian 1996 Tamil language comedy film directed by Sundar C. starring Karthik, Gemini Ganesan, Goundamani, Nagma and Manivannan. The film was screened for 75 days in many centres and was declared a commercial success.

The villain plans to send Karthik to do this job. He enters into the palace as the son who ran of from the family in his childhoodof Manivannan, who is the son in law of Gemini Ganesan. Every thing went smooth initially. However Nagma, grand daughter of Gemini, fell in love with him. The situation called for Karthik to marry her. Later Nagma came to know the truth and challenges him about stealing the sword.In the mean time Gemini Ganesan not knowing Karthik for what he came there for, gave the sword to him and pressed him to look after it. This made Karthik realize his mistake and promises him to protect it. The climax occurs when he manages to protect the sword from the villain, and the family accepted Karthik after learning of the truth. ........

Source: Wikipedia