It portrays Salman Khan in a double role as a prince and a carefree small actor. Prince Vijay Singh, crown prince of Pritampur, is soon to be crowned as the King of Pritampur. Vijay Singh is very stubborn and stiff.So he has many problems with his fiancé Maithili (princess of a neighboring kingdom) his half sisters Chandrika and Radhika and his half brother Ajay Singh. His sisters have filed a case against Vijay for the share in the royal estate,as they feel their mother was wronged by the Queen(Vijay's mother). The queen had disgraced their mother in front of the children.Ajay Singh swore revenge and begins plotting to kill Vijay Singh and become the King. Watch Prem Ratan Dhan Payo movie online.