A socially awkward teenage math prodigy finds new confidence and new friendships when he lands a spot on the British squad at the International Mathematics Olympiad.

In London, a drug dealer grows increasingly desperate over the course of a week after a botched deal lands him in the merciless clutches of a ruthless crime lord. The more desperate his behavior, the more isolated he becomes until there is nothing left standing between him and the bullet his debtors intend to fire his way.