Prison is no place for a detective Helen Grace was one of the country's best police investigators. Now she's behind bars with the killers she caught. Framed for murder She knows there is only way out: stay alive until her trial and somehow prove her innocence. Locked up with a killer But when a mutilated body is found in the cell next door, Helen fears her days are numbered. A murderer is on the loose. And she must find them. Before she's next . . .