Local pharmacist and pillar of the community, Idris Khan, spends his days doling out methadone to the hundreds of addicts in his care. They trust Idris with their secrets, and so he knows more than his mild manner suggests. So when his childhood sweetheart, Rebecca, doesn't turn up for her daily methadone dose, Idris is worried. Worried enough to go looking for her in the most deprived area of Leeds, alone. The mess Idris finds catapults him into the middle of a turf war between the two most powerful drug cartels in Yorkshire. Now, he must use every bit of intelligence and cunning he has to keep those he loves safe.