In the episode titled 'Crooked Carter Brother', which aired on June 18, 1947 (Episode 127), Boston Blackie gets involved in a complex case that leads him to confront the crooked dealings of the Carter brothers, who are entangled in a crime that showcases greed and deceit at its worst. The plot includes several twists as Blackie uses his wits and cunning to navigate through the challenges posed by the criminal element connected to the Carters.