Episode titled "The Fire Trap", this is part 13 of the Spider Strikes Serial produced in 1937 and released in 15 minute cliffhanger style increments.
Tracy searches for the Lame One in headquarters but can't find him, although Junior snaps a picture. A man named Kraft is sent to destroy the film negative, which he does but Tracy tracks him back to the Spider's hideout in the harbor, briefly capturing the leaders and demanding whereabouts of his brother Gordon. Dick is overtaken and tied up as the ship begins to burn around him.
Tracy searches for the Lame One in headquarters but can't find him, although Junior snaps a picture. A man named Kraft is sent to destroy the film negative, which he does but Tracy tracks him back to the Spider's hideout in the harbor, briefly capturing the leaders and demanding whereabouts of his brother Gordon. Dick is overtaken and tied up as the ship begins to burn around him.