Jim Richards' dream of building a shelter for the homeless of Las Vegas has come true. The shelter is finally open and operating well, but Buck and Mac find something that may mar the good intentions. They find a murdered man in one of the rooms. Deacon comes in to investigate and Jim discovers the victim is a cousin of one of his friends. Why was the man murdered and what did the warning that was left mean. The mob is suddenly everywhere as a search for one man starts rolling and more bodies are found. Will the mob get involved or just wait patiently for Jim and Deacon to solve the mystery before they do something rash. Angelo and Jim visit an old school Mob boss who may be the key and find more than they planned. More wiseguys enter into the picture confusing the issue and finally the case comes to a head, but at what expense when Deacon is shot.