Book excerpt: When Detective Isaac Martinez lands in the ER with a gunshot wound, he pulls through thanks to trauma surgeon Ruthie St. John. But as the witness to a crime and possible corruption, Martinez is at risk from someone intent on silencing him--and those around him--forever. When he barely survives another attack while recovering, both he and Ruthie must flee, trying to outrun deadly killers while locating the evidence they need to end the danger.