铁路职校毕业的学生李萍想要离开家乡，远离母亲的管控。从小生活在火车站的她，被列车员母亲严格的控制着生活，因此对铁轨有着复杂的情结。李萍在男友的帮助下获得上车机会的，可在面对着为自己的工作日夜奔走的母亲时，她陷入了选择的困境。
Li Ping, a railway vocational school graduate, wants to leave her hometown and stay away from her mother's control. As a child living in the railway station, she is strictly controlled by her mother as a conductor, so she has a complex about the railway. Li Ping got ...
