On At the Movies, Dan Slevin reviews three films in which change can be welcome or unwelcome but inevitable all the same. In Head South, a Christchurch teenager discovers New Wave music and a way forward to the rest of his life. Here is a simultaneously experimental and sentimental film about the multiple generations of people who pass through a simple suburban Pennsylvania living room. And in A Different Man, a New York actor with a facial disfigurement is offered a miracle cure – but will it make him happy?