The Bankers Who Sold the World

At the peak of the global economic crisis, a team of morally bankrupt bankers flying to a global emergency financial meeting are visited by alien bankers and asked if they require a bailout that could save earth's economy, by selling a part of earth to an alien client from across the galaxy. It is a clash of greed, ego, over and under-valuation of earth, but can the bankers save earth without selling out earth, and get back their vision and earn their redemption?