Struggling to connect with those around him, a teenage math prodigy trains for the International Mathematical Olympiad, where a budding romance with a fellow contestant breaks through his emotional walls and teaches him that love cannot be calculated.

Cast:Asa Butterfield, Rafe Spall, Sally Hawkins, Eddie Marsan, Jo Yang, Alex Lawther,

Genre:Drama,

country:United Kingdom,

Production:Original Pictures, Head Gear Films, Minnow Films, BBC Film, BFI,