Central Europe, February 25th 1931. Onboard the famous trans-European Budapest Express, you are with Karine Peaufiner, a famous French detective from Paris. You are traveling to Budapest to meet with other detectives showcasing the latest developments in crime scene forensics. It is nighttime and you are passing slowly through the heart of Europe during a heavy snowstorm. You are reviewing case notes in your cabin with Karine and your colleagues. Suddenly there is a knock at the door, it is the train manager.