一九七八年秋天。武汉大学外文系八十高龄的教授许海兰乘银燕,穿云海,越大洋,飞往美国密西西比河畔的圣路易斯域探亲。那边有她的大儿子、二女儿,还有姐姐、孙儿、外孙。几回梦里见亲人啊,亲人也只在梦里看见她!别时儿女皆年少,相逢眼对白头人。谁能不动情?她被女婿、女儿一接进别墅里,电话铃就连续不断地响起来。 Fall of 1978 Xu Hailan, an 80-year-old professor in the Department of Foreign Languages ​​of Wuhan University, went to visit the St. Louis area near the Mississippi River by visiting the sea of ​​clouds and the oceans over Yinhai. There her eldest son, second daughter, as well as sister, grandchildren, grandchildren. A few times to see their loved ones in the dream, their loved ones only see her in a dream! At a time when children are young and old, meet the eyes of patriarchs. Who can not be emotionally active? She was son-in-law, the daughter of a connected to the house, the phone ringing continuously ringing.