Adoctor'swifetiresofhisobsessionwithmodeltrains,andspendsherdayswonderingaboutthesonshegaveupforadoptionatbirth.Whileeatingataroadsidecafe,sheencountersaBritishhitchhiker,whoturnsouttobeherson.Theyspendtimetogethertryingtofindabon… 别名廿九号轨 网盘分享链接：
