Wheels of fire

Rory Temu is unstoppable on his battered BMX. Weaving and dodging though the Edinburgh streets, there's no obstacle he won't tackle.

Such brilliance on a bike could take Rory far - maybe even to Olympic heights, so his teacher believes.

But a gang on the streets has been watching too - and the members have their own plans for Rory's talents.

Rory has a gift and he knows it, but can he keep his balance over such rough terrain?