The Silence Broken - The District Detectives, #1

Get ready to step back in time to the Great Depression, where Olivia Wainwright is the only thing standing between the people of Big Town and the ruthless crime families that dominate the area. As the District Detective, Olli is used to going it alone, but when a new partner arrives on the scene and a mysterious figure starts stirring up trouble, she realizes she can't do it all herself. With tensions rising and lives on the line, Olli must work quickly to unravel the truth and take down the culprit before it's too late.
But when the shocking truth is finally revealed, it turns out the danger was closer than anyone could have ever imagined - right in the heart of Civilized Big Town.