黄河中游的三门峡湿地，是野生大天鹅重要的越冬栖息地。每年吸引一万余只越冬的大天鹅。一只雌性大天鹅“美峡”翅膀受伤，不得不永久留在越冬地。在这里，它与另一只受伤的天鹅组建家庭并孵化出了7只幼崽，这是野生大天鹅在黄河流域越冬地自然繁殖成功的首例。随后的五个月里，美峡先后失去 丈夫和一个孩子，家庭遭受巨大变故。单亲母亲困难重重。秋末，大天鹅陆续抵达黄河中游的越冬地。美峡的领地也受到了挑战。第二年春季，越冬的天鹅开始飞回北方繁殖地。面对迁徙，六个孩子又将何去何从呢？
　　"A female swan Meixia, whose wings were injured and could not fly, had to stay permanently in the wintering grounds, where she and another wounded swan fell in love, then started to breed and rear their young.
　　However, Meixia lost her husband and one child sequentially in five months, the single mother suffered deeply from her family lost and l...