Le mystère des jonquilles

Set in a gritty and decadent 1970s America, American Boogeyman follows the elusive and charming killer and the manhunt that brought him to justice involving the detective and the FBI rookie who coined the phrase ‘serial killer’.

In the middle of the night, deputy Philippe Dubaye wakes up his old friend Xavier Maréchal with disturbing news: he has just killed Serrano, a racketeer with extant political connections. Serrano kept proofs of Dubaye's involvement in corrupt dealings and was poised to use them against the deputy. Xavier readily agrees to cover up for his old pal Philippe, but he soon runs into difficulties. Nobody believes Dubaye's alibi. And everybody -- influential personalities, powerful businessmen, dubious go-betweens and the police -- wants to get hold of the documents that served to blackmail Dubaye; by all possible means...

Marseille. Heaps of flowers and funeral wreaths... "A man who no longer defends his colors is no longer a man."

A psychotic man opens fire in a diner, murdering numerous people before killing himself. The survivors struggle in different ways following this horrendous event: a doctor doubts his own instincts and elects to use an experimental medical procedure on his wife, while a gambler believes he's on a lucky streak. A waitress begins engaging in promiscuous sex, and a young girl whose father is among the dead gains unexpected fame.

Upon waking up to the news that the man she’d gone on a date with the previous night has been murdered, a young woman with only a faint memory of the night’s events begins to suspect that she murdered him while attempting to resist his advances.