March Violets by Philip Kerr
Set in 1936 Berlin, the narrative follows a hard-boiled private investigator navigating the treacherous terrain of Nazi Germany. Tasked with solving a high-profile case involving the theft of a diamond necklace and the murder of a wealthy industrialist's daughter and her husband, the detective delves into a world where political intrigue, corruption, and the rising tide of fascism intersect. As he uncovers more about the case, he finds himself entangled in the dangerous machinations of the Third Reich, revealing a sinister backdrop of power, betrayal, and moral ambiguity. This gripping tale masterfully combines historical detail with the classic elements of noir fiction, presenting a vivid portrayal of a society on the brink of moral collapse.