A rebellious teenager endures boarding school expulsion, family pressures and the harsh realities of rural life in northern China, until an uncovered secret from his past changes his life forever. Er Dong lives alone with his devout Christian mother in a small village. Frustrated with his bad behavior, his mother takes him to a Christian school with the hope that he will find God as well as a new direction in life. Instead, he finds a girlfriend, Chang'e, and their misconduct leads to their expulsion. Together they must face up to the harsh realities of work, parenthood and adult life in the tough economic reality of contemporary China. Recurring nightmares that plague Er Dong lead him to a shocking revelation of his own past. 神啊，哪里有光？。我只说我知道的。美术馆《二冬》现象工作室《智齿》。只因被触动。很喜欢杨瑾导演。去哪儿。。西北的憨娃和傻妹。《二冬》和理想。 在一个偏远的山区,传说中有一个叫"卖儿石"的大石头.一些因家中贫困或其它原因生了孩子却把孩子卖掉的人常聚在这块石头旁等待买家. 在一个冬季,二月了还下着雪.杨四郎从外地打工回来路经卖儿石时捡回一个男婴,取名叫作"二冬".杨四郎不久便离开人世,儿子由妻子杨氏抚养成人.长大的二冬生性顽劣,在母亲的骄纵下更是难以教养.二冬开始不断地给母亲闯祸,玩猎枪,打架,骑摩托车.二冬母亲杨氏把他送到外地的教会学校,二冬从那里逃了出来,带着一个叫杨嫦娥的女孩子私奔.二冬开始体验生活的不易,在杨嫦娥怀孕之后他不得不回到家乡完成婚事.他开始承担生活,开始寻找生活,但生活在乡镇工业经济的迅速发展中变得难以琢磨. (来自"影想·放映"宣传单,个人认为跟剧情略有出入.)
