Cavanaugh on Duty (Cavanaugh Justice, Book 24‪)‬

The past never dies…

but it can kill Esteban Fernandez only has one reason to live – and that reason vanishes when his cover is blown. As an undercover narcotics detective, Esteban wanta to hunt the scum that killed his brother – and put his stepfather in prison for life. Reassigned and rootless, the brooding detective couldn’t care less about the sexy cop he’s now paired with …until they start finding bodies.

Kari Cavanaugh never asks for a new partner. Competent and self-contained, Kari makes the best of any situation – by herself. But when a series of murders points toward a serial killer, her scruffy new sidekick may have insights into the case. If only the heat rising between them doesn’t spark its own danger.