Most of you would have watched films or read stories that derive their plots and twists from Dame Agatha Christie's seminal 83-year-old murder mystery. That works for and against Kenneth Branagh's modern version of this literary classic. For most people, the film has no shock factor or mind-blowing twist. So star, director and the man who made Shakespeare "cool" for the modern generation, Kenneth Branagh, needed to infuse his adaptation with character, humour and suspense to counter the audience apathy. Does he succeed? That's what I went to the theatre trying to figure out. A mystery slightly....