Madame Mystery
"A female secret agent has gotten ahold of a new type of explosive gas. She has to avoid the efforts of two men who are trying to steal it. They succeed in doing so, but the gas turns out to be not quite what they expected."
"A female secret agent has gotten ahold of a new type of explosive gas. She has to avoid the efforts of two men who are trying to steal it. They succeed in doing so, but the gas turns out to be not quite what they expected."
