Oliver Peterkinney and Alex Glass, two friends from Glasgow's desperate fringes, become involved in one of the city's darkest and most dangerous trades: debt collection. While one rises quickly through the ranks, the other falls prey to the industry's addictive lifestyle, accumulating steep debts of his own. Meanwhile, the three most powerful rivals in the business -- Marty Jones, ruthless pimp; Potty Cruickshank, member of the old guard;...