When young and handsome Othman married Sofia-sophisticated, French, rich, and forty years his senior-he found his ticket out of a life of desperate poverty in the slums of Casablanca. But when Sofia is brutally murdered, the police quickly zero in on Othman as the prime suspect. With his mistress, the love of his life, waiting in the wings he certainly has motive. But is he guilty? Or has he been framed by an overzealous, corrupt police force?

When a prostitute and her ill-fated lover are killed in a gruesome double murder, seasoned investigator Detective Hanash is called in. The case draws him into Casablanca's slums, blighted by criminality, religious extremism, and despair. Hanash's years on the job have made him intimately familiar with the city's seedy underbelly, but this time he harbors a personal connection to one of the victims, one he must conceal at all costs.

A series of gruesome murders shakes the city of Casablanca. The killer knows exactly how the police will pursue him and how to obliterate evidence that could lead them to identify his victims. Fear spreads throughout the city as rumors abound that a serial killer is on the loose. Detective Hanash, despite his reputation, has hit a dead end. But he knows the killer will make a mistake, and it is up to him and his team to hunt down and capture this brutal criminal. Then comes the most audacious homicide: the victim is found on the first day of the Eid holiday, directly outside the police headquarters in the center of town. Is the killer taunting the police and its famous detective? And could this be the crime that contains the clue that Hanash has been waiting for?

Set in contemporary Tangier, Morocco, Detective Laafrit investigates the case of four corpses washed up on the beach. The victims are presumed illegal immigrants, drowned trying to reach Spain packed in small fishing boats, however Laafrit soon discovers that one of them has been brutally shot. Guns are illegal in Morocco and the mysterious shooting shakes the police force as the hunt for the murder weapon begins in earnest. With the help of his informants, Laafrit's investigation reveals a spiraling conspiracy of international sabotage.