July. Major holiday departures. TGV Paris-Brest. Alex does her first steps as a train controller on a great line, flanked by her colleague Antoine. During an inspection, she crosses the way of a passenger who diverts her from her new functions.
| Actor | Role |
|---|---|
 Laëtitia SpigarelliAlex | Alex |
 Nicolas MauryAntoine | Antoine |
 Matthieu SampeurMarc, the Passenger | Marc, the Passenger |