Winter. At a small station where passing trains stop for only one or two minutes, Marushkin, the driver, meets a new agronomist, Lyusya Krechetova, who has arrived from Leningrad. At first, she looks curiously at her new life, which has neither comfort nor basic amenities. But soon this incomprehensible life, where only the truly passionate live and work, begins to annoy her. Unable to withstand the trials of selfless work, Lucy says goodbye to her new friends and returns home...