Daily life in a third-class carriage of the Trans-Siberian, named Vostok No. 20. Between discomfort, shared meals, boredom and confidences to strangers, we pass the time as best we can. A great journey through Russia, its four seasons that pass in six days and its seven time zones. In a breath, a woman's voice that, thanks to poems by Marina Tsvetaeva, illuminates the feelings of the passengers: their solitude, their desires for freedom and love. In this convoy as ordinary as it is mythical, the Russia of the authors merges with that of the passengers, anonymous heroes of the Trans-Siberian. Marina Tsvetaeva's poems are read by Fanny Ardant.