This riveting 20th installment entangles Parisian private investigator Aimée Leduc in a dangerous web of international spycraft and terrorist threats in Paris's 15th arrondissement. November 2001: in the wake of 9/11, Paris is living in a state of fear. For Aimée Leduc, November is bittersweet: the anniversary of her father’s death and her daughter’s third birthday fall on the same day. A gathering for family and friends is disrupted when a bomb goes off at the police laboratory—and Boris Viard, the partner of Aimée’s friend Michou, is found unconscious at the scene of the crime with traces of explosives under his fingernails. Aimée doesn’t believe Boris set the bomb. In an effort to prove this, she battles the police and his own lab colleagues, collecting conflicting eyewitness reports. When a member of the French secret service drafts Aimée to help investigate possible links to an Iranian Revolutionary guard and fugitive radicals who bombed Interpol in the 1980s, Aimée uncovers ties to a cold case of her father’s. As Aimée scours the streets of the 15th arrondissement trying to learn the truth, she has to ask herself if she should succumb to pressure from Chloe’s biological father and move them out to his farm in Brittany. But could Aimée Leduc ever leave Paris?

Facing a tight deadline on a computer security contract, Aimee responds to a telephone call from a stranger that leads her to an abandoned infant in a courtyard on the Ile St-Louis. She brings the baby home with her, calls her Stella, and awaits contact from the mother. But days pass, and no one reclaims the infant.Meanwhile, a group of environmental protesters is trying to stop the government from entering into a contract with an oil company notorious for pollution. As Aimee attempts to identify the baby's mother, two murders and an abortive bombing involving the protesters lead her - and little Stella - into danger.On the run in the sewers beneath the Seine, Aimee finally finds the woman she has been looking for, only to discover that the man she has fallen in love with is not who she thought he was.

When Aimee Leduc gets a phone call from her daughter's playgroup telling her that her own mother, who was supposed to pick Chloe up, never showed, she is annoyed her mother has let her down yet again. But as Aimee and Chloe are leaving the playground, Aimee witnesses the body of a homeless woman being wheeled away from the neighbouring convent, where nuns run a soup kitchen. The last person anyone saw the dead woman talking to was Aimee's mother - who has vanished. What did Sydney stumble into? Is she in trouble?

As protesters march in Paris against a government agreement with an oil company suspected of polluting, Aimee Leduc, French-American computer investigator, finds herself with an abandoned infant, a drowned woman, a murdered client and a computer assignment deadline.

The second Aimée Leduc investigation set in Paris When Anaïs de Froissart calls Parisian private investigator Aimée begging for help, Aimée assumes the woman wants to hire her to do surveillance on her philandering politician husband again. Aimée is too busy right now to indulge her. But Anaïs insists Aimée must come, that she is in trouble and scared. Aimée tracks Anaïs down just in time to see a car bomb explode, injuring Anaïs and killing the woman she was with. Anaïs can’t explain what Aimée just witnessed. The dead woman, Anaïs says, is Sylvie Coudray, her cheating husband’s long-time mistress, but she has no idea who wanted her dead, and Anaïs officially hires Aimée to investigate. As she digs into Sylvie Coudray’s murky past, Aimée finds that the dead woman may not be who Anaïs thought she was. Her Belleville neighborhood, full of North African immigrants, may be hiding clues to Sylvie’s identity. As a prominent Algerian rights activist stages a hunger protest against new immigration laws, Aimée begins to wonder whether Sylvie’s death was an act of terrorism, and who else may be at risk.

Parisian P.I. Aimée Leduc strives to clear the name of a childhood friend, now a policewoman, who's charged with shooting her partner Aimée Leduc is having a bad day. First, she comes home from work at her Paris detective agency to learn that her boyfriend is leaving her. She goes out for a drink with her friend Laure, a police officer, but Laure’s patrol partner, Jacques, interrupts, saying he needs to talk to Laure urgently. The two leave the bar, and when they don’t return, Aimée follows Laure’s path and finds her sprawled on a snowy rooftop, not far from Jacques, who is bleeding from a fatal gunshot wound. When the police arrive, they arrest Laure for murder. No one is interested in helping Aimée figure out the truth. As she chases down increasingly dangerous leads in the effort to free her friend, Aimée stumbles into a web of Corsican nationalists, separatists, gangsters, and artists. Could Jacques’s murder and Laure’s arrest be part of a much bigger cover-up?

The eleventh Aimée Leduc investigation set in Paris Business is booming for Parisian private investigator Aimée Leduc. But she finds time to do a favor for her godfather, Commissaire Morbier, who asks her to drop by the gorgeous Passy home of his girlfriend, Xavierre d’Eslay, a haut bourgeois matron of Basque origin. Xavierre has been so busy with her daughter’s upcoming wedding that she has stopped taking Morbier’s calls, and he’s worried something serious is going on. When Aimée crashes the rehearsal dinner, Xavierre is discovered strangled in her own yard, and circumstantial evidence makes Morbier the prime suspect. To vindicate her godfather, Aimée must find the real killer. Her investigation leads her to police corruption, radical Basque terrorists, and a kidnapped Spanish princess.