在八十年代藏区旺堆乡，13岁的仁青在“生殖与发育”课上知晓了生命起源于一颗精子和一颗卵子的结合。他陷入身份的迷惘——他的家庭遵循古老的一妻多夫制，母亲卓玛与二位丈夫共同生活。仁青认定每个孩子只能有一个父亲，他开始探问憨厚的阿爸占堆、严厉管教的二叔土登，甚至给他买运动鞋的三叔洛桑，谁才是他的生身父亲？ 　　In the 1980s, in Wangdui Township of the Tibetan area, 13-year-old Renqing learned in his Reproduction and Development class that life originates from the union of a sperm and an egg. This revelation plunged him into an identit...