X+Y

“Is there a formula for love?”

Nathan Ellis (Asa Butterfield), a teenage math prodigy who struggles to connect with the people around him, begins training for a place on the British team at the International Mathematical Olympiad. His teacher, Martin Humphreys (Rafe Spall), pushes him on, while his mother Julie (Sally Hawkins) waits for him to let someone in. Morgan Matthews sends Nathan toward a rival contestant, Zhang Mei (Jo Yang), and the feelings that no equation can solve.