萍的祖(zǔ )母去世(shì )时留下了十(shí )封(fēng )尘封许久的信，她(tā )嘱咐只有在写这些信的地方才(cái )能打开它(tā )们。于是(shì )萍就带(dài )上(shàng )了祖母(mǔ )的骨(gǔ )灰踏上了去往缅甸(diàn )之旅。她在缅甸(diàn )遇到了凯凯，只有他知晓祖母的存在。随后他们发现原(yuán )来这些信都是一个深爱着