Internationally best-selling author Nicci French captivated audiences with Blue Monday, the first novel in her series featuring psychotherapist Frieda Klein. In Tuesday's Gone, Frieda is called upon by DCI Karlsson to help solve a grisly murder in which the prime suspect is afflicted with a strange mental disorder. As the pair dig into the dead man's past, they find plenty of motive for murder, but questions remain about whether the real killer is still on the loose.