Sharon Gless as Chris Cagney and Tyne Daly as Mary Beth Lacey Heat
While investigating a routine complaint at a railyard the two detectives confront a psychopathic gunman who abducts Mary Beth and holds her hostage in a boxcar.
With the area surrounded by police the heat and the tension build up as the gunman makes increasingly desperate demands and a game of nerves is played out with Mary Beth 's life at stake.
Written by LEO E. ARTHUR Directed by KAREN ARTHUR