Pour cette nouvelle enquête, Mary Lester réintègre les forces de l'ordre ! À la demande de son ancien patron, le commissaire Fabien, Mary Lester reprend du service dans la police. Elle est détachée à Nantes o un meurtrier en série sévit depuis quelques semaines. Trois cadavres déjà, et pas l'ombre d'une piste. Le capitaine Leroux, vieux flic mal embouché, mais qui connaît les bas-fonds de Nantes comme sa poche, n'a pas la moindre piste....

Les meurtres s'enchaînent à Plozévet... Parti pêcher le homard en baie d'Audierne, André Kerbelec est retrouvé mort, le lendemain matin. Un accident ? Puis Fanch découvre, sur le chemin de randonnée surplombant Pors Poulhan, le corps d'Antonio, un beau jeune homme qui sait tirer profit de son charme. Le même jour, Jeanine, l'épouse d'André Kerbelec, gît, empoisonnée, à son domicile. Cette fois, plus de doute... L'officier de police...

"Recently ghosted and sick of watching her friends fade into the suburbs with their husbands and children, thirty-something Hannah finds new community in an internet true crime forum that's on a mission to solve the murders of four women who were dumped in a ravine outside Atlanta. When a handsome lawyer named William is arrested for the killings, with evidence of his guilt piling up as quickly as the bodies, Hannah begins writing him letters as another...

When a murderer stalks the people of Gladstone, Tennessee, Sheriff Miranda Knight has to call in FBI profiler Noah Bishop and once again face the problem of her unique abilities which once nearly destroyed her and her sister.

"The Locard Institute is a state-of-the-art forensic research center where experts from around the world come together to confront and solve the world's most challenging and perplexing crimes. When Dr. Ellie Carr arrives for her first day as an instructor at the prestigious facility, the buildings glimmer amid the brilliant fall foliage on the shores of the Chesapeake Bay. But within hours a colleague, Dr. Barbara Wright, is found dead on the floor...