Jack Wright is a veteran detective with a tragic past, an uncertain future, and a passion for solving puzzles. As a member of the Toronto Police Service Hold-Up Squad, Jack is tired of always having to clean up after the fact. When the blueprints of a robbery that has yet to take place land on his desk, there's only one problem...he can't read a word of them. The details of the heist are contained on a computer hard drive, protected by an unbreakable security code, seized in an explosive police raid on a suspected gunrunner.

Katherine Sharpe, beautiful, brilliant and ambitious, is the...