An assistant district attorney is gunned down along with a high-priced hooker in the prostitute's car. The investigation reports the victim had wanted to prosecute narcotics cases and not domestic disputes, and she may have been working the call girl on targeting a drug dealer with whom she had a relationship. Meanwhile, Julie considers going to the next step with Eddie.

Stark goes after a millionaire arms broker who is supplying explosives to L.A. gangs that have caused three car bombings and nine fatalities over the past five months. Making things more difficult is the FBI, which wants to take over the case, but Sebastian won't allow it because Casey has been kidnapped and may be killed if the broker escapes the country.