Ali G (Sacha Baron Cohen) is saddened as the John Nike Leisure centre, which gave him lots of memories, is to be shut down! But there is one way he can save it, become the MP of Staines! But what...

Ali G (Sacha Baron Cohen) is saddened as the John Nike Leisure centre, which gave him lots of memories, is to be shut down! But there is one way he can save it, become the MP of Staines! But what he doesn't realise is that the real reason why he's being recruited is a plot to bring down the prime minister (Michael Gambon) and for David Carlton (Charles Dance) to take the job!