Nestor is hired by a concerned mother to locate her missing daughter, who disappeared after an argument between the two of them. His investigation leads to two brothers who are both dealing in a business that's anything but legit.
An old flame resurfaces in Nestor's life when she desperately asks for his help in finding a man who owes her money. It's not long after that the man in question is found murdered in the street, and the police immediately suspect Nestor's former lover.
While following an unfaithful husband who has multiple mistresses, Nestor stumbles upon the man's murdered corpse. Curiously, Nestor's first lead for finding the killer lands him on the steps of a dating agency.
A young man disappears after receiving a very large inheritance from his recently-deceased father. Nestor is hired to find him, and learns that the rest of the family all have strong motives to see him gone.
The son of a research company CEO hires Nestor to investigate his father's death, which he doesn't believe was a suicide. The son reveals that his father had multiple rivals inside and outside of the company, and wants Nestor to go undercover as an auditor to dig for information.
A serial killer is preying on foreign female students in Paris. Meanwhile, Nestor takes on a case searching for a missing woman. The woman's daughter insists there's foul play at hand, and thinks her stepfather is responsible for her mother's disappearance.
An anonymous individual hires Nestor to investigate the reasons for a boy's suicide at a prestigious private school. Nestor discovers a very demanding educational environment, in addition to resistance from the principal and victim's family, who want to defend the school's reputation.
The wife of an auctioneer, whom Burma was investigating for infidelity, is found dead in a hotel room. Her husband becomes the prime suspect after he goes into hiding, but Burma isn't convinced of his culpability.
While leaving the courthouse, Burma stumbles upon a murdered magistrate in a parking garage. Soon after, he receives a call to investigate the death from a public official whom the magistrate was investigating for corruption charges.
Nestor's old friend Roger invites him to serve as a witness in his wedding, but just before the ceremony starts his young bride mysteriously disappears. Burma is asked to find her, which leads him into a complex case involving the Russian mafia.