"After the sinking of the Titanic in 1912, the Janus branch intercepted a telegram intended for one of the surviving passengers. The telegram was in code, and the Janus weren't able to break it. Cahill agents from all branches suspected there was a Clue on the Titanic, but after the fateful night when the ship hit an iceberg and sank, drowning 1,517 people, the Clue was never seen again. Is it at the bottom of the Atlantic? Or did the Clue make it off the ship?"
Top Secret Edit
Another telegram with more morse code. Reads: Fellow passengers lovely. One girl keeps to herself. Clue still missing.
Question: What was the message sent to Nella Chain?
Answer: Let them think you drowned.
This card, combined with Card 4, Card 5, Card 27, and Card 49, forms the Clue Phosphorus.