Stream Mister John Online Free – Watch Full Movie from Home at 123Movies. . After discovering his wife's infidelities, Gerry leaves London to look after his deceased brother's business and family in Singapore. Discovering a foreign world of opportunity that had not existed before gives Gerry a chance at starting over by slipping into his brother's life - both emotionally and physically. However, leaving his wife and child behind in the UK is not so easy as Gerry must choose between becoming his brother's alter ego 'Mister John' or returning to London to face his failing relationship.