Touching and telling, this thought-provoking romantic drama revolves around Nathan, who is a genius in mathematics, but finds it difficult to connect with people and understand their ways, most of all his loving mother.
With the world turning out to be too difficult to comprehend, he finds comfort in numbers which remain predictable and bound by clear-cut laws. When Nathan is taken under the wing of unconventional and anarchic teacher, Mr. Humphreys, the pair forge an unusual friendship and Nathan's talents win him a place on the UK team at the International Mathematics Olympiad.
From suburban England to bustling Taipei and back again, Nathan builds complex relationships as he is confronted by the irrational nature of love. Can he find a formula for love?