Quite frankly, I didn’t see the point of this episode. It was over at the introduction. We knew about the murders, the perpetrator, and the method of execution. The motive was revealed late in the first act. After that it was like listening to paint dry.
Several New York entertainment big wigs receive mysterious letters claiming they will be rewarded for their generosity in the past to a girls who is now quite wealthy and offers them $50,000 if they can confirm their identity using the self-addressed stamped envelope. They all die.