在长白山下茫茫林海中,有一个古老落后的小山屯。改革的信息渗透到这偏远的林区。一对青年夫妇用贷款买了拖拉机,想靠运输发家致富。在一次事故中丈夫车毁人亡,只丢下妻子、老母和欠债。妻子辛梅在林业局一司机的帮助下,成为一个自强、自立、自爱的女强人,驾起修复好的拖拉机,奔驰在雪原上。但出于社会压力和自身束缚,他不得不与已经相爱的司机分手。……带着迷茫和惆怅,驾着火红的拖拉机,她告别了留下她青春和爱情足迹的白桦林,驶向远方;司机来了,在雪原上,迎着晨光…… Under the vast sea of ​​Changbai Mountain, there is an ancient and backward small mountain village. The message of reform permeates this remote forest. A young couple bought a tractor with a loan and wanted to get rich by shipping. Husband car crash in an accident, only to leave his wife, mother and debt. With the help of a driver of the Forestry Bureau, his wife, Xin Mei, has become a strong woman who is self-reliance, self-reliance and self-loving, driving a repaired tractor and running on the snowfield. However, due to social pressure and self-restraint, he had to break up with his lover. ... with confusion and melancholy, driving a red tractor, she bid farewell to leave her birch forest of youth and love footprint, sailed away; drivers came, in the snow, facing the morning ...