Super-Mystery Comics v8 #2

This anthology issue contains several stories, including "Mack Martin" and "Bert and Sue," as well as a story featuring a character called "The Unknown" who encounters danger on a speeding train. The visible pages also include a "Super-Dupers" humor section with various brief comedic anecdotes about misunderstandings and unexpected situations. A mystery plot involves the murder of a dancer and the investigation surrounding a character's involvement in the crime.