Is it more important to clean up your apartment or to go out on a perfectly warm and sunny day? What is really important in our lives? Can optimism be learnt? Category: Optimist is a film about facing a potentially lethal disease – leukemia – and everything that comes after the treatment. If patients get well due to medical advances, doctors' efforts, support from family and friends and their own persistence, their lives will undoubtedly change. While facing the challenges ahead, the most important thing is to be an optimist.