An estranged father and son are brought together by a young crane named Karl as they trace a family of the birds on their migratory journey from Russia to Africa

一对疏远的父子在从俄罗斯到非洲的迁徙途中被一只名叫卡尔的小鹤带在一起，他们追踪着一家人。

一对分居已久的父亲和儿子被一只名叫卡尔的小鹤联系在了一起，他们追踪着卡尔所在的鹤群从俄罗斯一直到非洲。