讲述单身老人卖掉老宅跟随儿子出国定居的愿望落空,继而投靠在北京工作的女儿女婿,在共同生活的日子里发生的种种喜怒哀乐的故事。。In 2013, Sean Miller disappeared for four days. Seven years later, a group of documentary filmmakers set out to find why.。