Night Heat

A robbery at a local fish market sees the use of automatic weapons. There are several people either hurt or killed during the incident. Frank and Kevin must track down the source of these weapons, which have become increasingly used in crimes.

Frank and Kevin try to capture the gangsters that knocked off two men. Their biggest lead being some professional photographs taken during a wedding reception on a boat nearby where the murders took place.

O'Brien and Giambone try to convince a politician's assistant to testify in order to prevent the release of a suspected rapist.

Kevin and Frank pursue two criminals to a back alley. The two thugs try to escape, one manages to get away - the other gets shot by Frank when he appearently pulls out a gun. An investigation of the crime scene finds no trace of a gun, only a flashlight.

A woman on the way home is attacked and raped in her own house. Kevin and Frank quickly nab a suspect and are convinced that he is also responsible for six other rapes. Now they must prove his guilt. As a side story - two unrelated murders go unsolved.

Continuing from the previous episode, Kevin and Frank investigate a serial killer stalking females at night. A woman is scared in a park and runs to the police fearing she was the next victim. The suspect is questioned but released when they find no reason to hold him. After leaving the police station the woman is found murdered and the only witness is Whitey who may have taken a picture of the attacker. Kevin discusses theories on the killer with Tom and discovers some odd similarities with past attacks in other areas. Kevin consults with a national database operator regarding similiar crimes and is startled by his discovery...