黃河中游的三門峽濕地，是野生大天鵝重要的越冬棲息地。每年吸引一萬余只越冬的大天鵝。一只雌性大天鵝“美峽”翅膀受傷，不得不永久留在越冬地。在這里，它與另一只受傷的天鵝組建家庭并孵化出了7只幼崽，這是野生大天鵝在黃河流域越冬地自然繁殖成功的首例。隨后的五個(gè)月里，美峽先后失去 丈夫和一個(gè)孩子，家庭遭受巨大變故。單親母親困難重重。秋末，大天鵝陸續(xù)抵達(dá)黃河中游的越冬地。美峽的領(lǐng)地也受到了挑戰(zhàn)。第二年春季，越冬的天鵝開始飛回北方繁殖地。面對(duì)遷徙，六個(gè)孩子又將何去何從呢？　　"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 life bristled with difficulties for her unexpectedly. At the end of autumn, the wintering ground in the Yellow River Basin is crowded with other swans which means Meixia’s territory is facing challenge.　　Next year spring, swans are flying back to their breeding grounds. When facing migration, what will be the destiny of her six children?"電影《大天鵝》上映于2017年的紀(jì)錄片影片，由孫寧執(zhí)導(dǎo)，