The heat is on with three old time radio cases of arson. First, Boston Blackie investigates a convoluted case of a love triangle, a torched building, and murder. Then, it's "The Case of the Arrogant Arsonist," an adventure from Counterspy (originally aired on ABC on September 16, 1949) that finds government agent David Harding hunting an ex-Nazi working as a firebug in the US of A. Finally, John Lund stars as "the man with the action-packed expense account" in "The Lester Matson Matter" from Yours Truly, Johnny Dollar (AFRS rebroadcast; originally aired on September 8, 1953).