Most of David Nash's clients are guilty, some are monsters, but he is practically unbeatable in the courtroom. Then he takes on the defence of a man accused of murder but whose innocence he can actually believe in.

As the case moves towards trial he becomes aware that he, the master of subtle chicanery, is being manipulated himself. But by whom? As his perfect case moves to a conclusion the answer to that question becomes a matter of life and death.