Who is that tall, elegant lady wearing a fashionable pillbox hat? Why, the world-famous mystery novelist Linzer Cookie, of course! With her trusty pen and the signature glint in her eye, the star writer is already working on a new manuscript, stained with a few drops of blood... She’s constantly riding the train back and forth between her hometown , her studio, and the city. It’s said she might be having a secret affair with the great pianist, Cream Brûlée~