By chance, on Christmas Eve, completely different passengers with their own problems and dreams board the same train, and now they all have to arrange Christmas dinner right in the dining car. While waiting for the first star, all the passengers come together as one big Ukrainian family. And miracles begin to happen.

December 31st Express was supposed to be an ordinary, quiet rail run, at least that's what conductor Mykola Ivanovych thought. However, a comically chaotic group of passengers including a runaway bride and angry accountant upset a retiring train conductor's peaceful last journey.