Theresa is engaged to be married to Simon and they're very much in love; unfortunately there is one minor detail she has failed to mention to her black family…Simon's white and when he arrives to meet the clan, dad's not well pleased. A remake of the Sidney Poitier, James Cagney ‘Guess Who's Coming To Dinner?', but with the twist being that this time the interloper is white rather than black, Guess Who seems slightly redundant in these marginally more enlightened times (at least on this side of the Atlantic) and as a comedy it struggles to reach the lofty heights of OK.