Singh is Kinng is an action-comedy drama that revolves around Happy Singh (Akshay Kumar), a notorious villager who is good at heart but unintentionally causes problems in the village. Villagers decide to send Happy to Australia to fetch Lakhan ‘Lucky’ Singh (Sonu Sood), whose ailing father lives in the same village and wants to meet his son. Lucky is the king of the Australian underworld and is accompanied by his mafia associates. Happy meets Lucky, but he throws him out of his house. However, later Lucky ends up in hospital being paralyzed after his head is severely bumped because of Happy, who was trying to save him. His associates, who believe Happy saved the King, make Happy take the place of Lucky while he recovers. The new kind-hearted king reforms the laws of work and makes others have a change of heart. However, will he succeed in reuniting Lucky with his parents?