Lost Files of Sherlock Holmes: Case of the Rose Tattoo Hints

What does the message say?

  • 1 of 12: The message reads:  BQQMZ HIJKLMNO & BTU
  • 2 of 12: Mycroft used three different types of coding in this message.
  • 3 of 12: The first word is encoded with a simple substitution code.
  • 4 of 12: Just replace every letter with the letter before it in the alphabet.
  • 5 of 12: The first word of the phrase is APPLY.
  • 6 of 12: The next group of letters, HIJKLMNO, cannot be treated the same way.
  • 7 of 12: What comes into your mind when you first see this group of letters?
  • 8 of 12: H through O.
  • 9 of 12: H through O could also be H to O and thus H2O = water!
  • 10 of 12: Lastly, the meaning of the abbreviation of BTU is British Thermal Units.
  • 11 of 12: British Thermal Units = heat.
  • 12 of 12: The decoded phrase is "Apply water & heat."