Fontana and his temporary partner, Det. Nick Falco, must tread lightly when they discover links between a powerful police commissioner and the murders of an infamous porn actress and a maverick publisher.

The shooting of a Panamanian jockey sends Fontana and Falco into the colorful world of horse racing, and they learn that the animal's owner used stolen funds for the purchase.

When Fontana and Falco investigate an arson which caused the death of a firefighter, they discover a murder weapon tied to a nine year old murder and a hate crime in which the defendent attempts to have his case dismissed because he became a born again Christian after committing the murder.

After a man causes a massive train crash that results in multiple deaths, McCoy tries to prosecute him for murder despite his insanity defense. But McCoy finds himself hampered by a defense attorney whose own agenda may undercut that of his client.

Fontana and Green are called in to investigate when Green's former replacement, Nick Falco, is suspected of murdering a young woman he had spent the night with.