Zuckersand (2017)

End of the 1970s in East Germany: Fred and Jonas are close friends. The 10-year-olds live near at the German-German frontier. After the mother from Jonas has made an exit application, the boys have to recognize that they are soon separated from each other. But they want to dig a tunnel to Australia to meet there themselves again. When Jonas should leave the country with his mother this night changes everything.