生长在大山里的少年阿生跟着师父马万里以拉马为生，阿生想走出大山，却苦于师父反对以及年迈的奶奶无人照顾，终日郁郁寡欢。一个剧组的到来打破了村子的宁静，也让阿生开始正视自己的内心，最终发出内心深处的呐喊。 Sheng, grew up in a village, followed his master Ma Wanli. He had always wanted to leave the mountains, but his master disagreed and his elderly grandmother could only rely on him. He was unhappy all day. A crew arrived, which made Sheng start to face himself, and finally let out a deep cry from the bottom of his heart.
