What happens
Clark Kent, traveling on a steamship from Panama with Jimmy Olsen and Pug Flanagan, is warned of danger. Jimmy and Pug, trapped in a cargo hold, are buried under sacks, and Superman frees them. June Barrington and her father, Dr. Michael Barrington, learn the sacks hold nitrate, a material used in explosives. The passengers gather to discuss the situation. Clark, June and Jimmy then overhear a wireless key sending a message from a stateroom occupied by an elderly woman.
A steamship sailing from Panama to the United States, including its forward cargo hold, passenger cabins and corridors.
Characters: Clark Kent, Jimmy Olsen, Pug Flanagan, June Barrington, Dr. Michael Barrington, Superman
Listen for: The nitrate cargo discovery, the rescue of Jimmy and Pug, and the wireless message from Stateroom 33.
Written from the episode itself; it never gives away the ending. Every recording is remastered for the stream: cleaned of rumble, hiss and mains hum (and the old TV whine where we found it), then levelled in two passes to steady broadcast loudness, so one show is never quieter than the next.