Conspiracy of Silence - Ravenwood Mysteries, #4

Atticus Riot is left standing over a corpse holding a smoking gun. And he's just realized a dead man could get him killed. Four words hold the key to his partner's murder. Four words marking him and everyone he loves for death. Harried and hunted from all sides, Isobel and Riot uncover a web of secrets that ensnares them both. There is only one way out-a gamble so risky that their lives will never be the same.
A suspenseful Victorian mystery with a strong female lead and a romantic detective duo in San Francisco's lawless Barbary Coast. Fans of Laurie R. King, Deanna Raybourn, and C. S. Harris will love this thrilling historical mystery series.