The best-selling Peter James novels make it to the screen in this two-part crime drama starring John Simm (Life on Mars, Doctor Who). Haunted by the disappearance of his wife, tenacious yet troubled detective Roy Grace has a reputation for his unorthodox methods in pursuit of the truth. As he walks a career tightrope, he is assigned to a missing person case that becomes a race against time full of twists and turns.