三○年代初期，德国某处小剧院里可见到希特勒与史达林携手高歌共舞的荒谬景象，将国际紧绷局势化为一声声哄堂大笑。当纳粹开始四处猎杀异议人士，随之也拆散了希特勒、史达林这对合作无间的喜剧搭档，两人被迫各自亡命天涯。他原本以为自己将前往应许之地好莱坞，没想到却辗转在莫斯科落脚，被一群流亡共产党员、间谍与线民所环绕，阴错阳差成了…

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