Concentr8

In a not-so-distant future London, riots have become the norm. But when the government suddenly stops distributing Concentr8--a behavioral modification "miracle" drug akin to Ritalin--the city''s residents rise up fiercer than they ever have before.

Amidst the chaos, five teens pick a man seemingly at random and chain him up as a hostage in a warehouse. Blaze is their leader, and Troy has always be...