A Brilliant Young Mind or X+Y is the story of a teenage English mathematics prodigy named Nathan (Asa Butterfield) who has difficulty understanding people, but finds comfort in numbers. When he is chosen to represent the United Kingdom at the International Mathematical Olympiad (IMO), Nathan embarks on a journey in which he faces unexpected challenges, such as understanding the nature of love. This movie its so heart-warming, as you see this shy and socially awkward boy dealing with the world and unraveling his feelings.