Captain Hadley (J. Farrell MacDonald, who also appeared as the City Editor in "Danger Ahead") reaches the age limit for firefighter and is retired. While he is bored out of his mind at home, an arsonist (George Pembroke), who evidently is called Wendell, despite the fact that noone ever calls him by name, starts to burn the city down, building by building. After his friend Burt (Joel Friedkin) dies fighting a fire, Hadley unofficially joins up with the arson squad to track down the arsonist; but as Hadley zeroes in on Wendell, Wendell zeroes in on Hadley...