The Million Pound Bank Note

What if you had the equivalent of $5,000,000 in your pocket, but had no way of spending it? Two brothers make a bet, proposing that such a man would either starve or barely scrape by after a month of such living. 27 year old Henry, a shipwrecked, penniless American in London, is the man the brothers choose. For 30 days he must sink or swim by keeping a million pound bank note safe in his pocket