Twinless This ingenious and outrageous comedy drama was showered with rave reviews when it premiered at the Sundance Film Festival in January. But all of those reviews were careful not to give too much away, because the twists in Twinless are what make it so remarkable. The premise is that Roman (Dylan O'Brien) has an identical twin who dies in a car crash. Roman goes to a twin bereavement support group, where he meets Dennis (the film's writer-director, James Sweeney), and the two become close friends. But "the initial premise is merely a small fraction of what this film has...