Mickey Pearson is an American expatriate who became rich by building a highly profitable marijuana empire in London. When word gets out that he's looking to cash out of the business, it soon triggers an array of plots and schemes, including bribery and blackmail from shady characters who want to steal his domain.
A talented graduate of Oxford, using his unique mind and unprecedented audacity, came up with an illegal enrichment scheme using the estate of an impoverished English aristocracy. However, when he decides to sell his business to an influential clan of billionaires from the United States, no less charming but tough gentlemen stand in his way. An exchange of courtesies is planned, which certainly will not do without shootings and a couple of accidents.