萍的祖母去世时留下了十封尘封许久的信，她(tā )嘱咐只有在(zài )写这些(xiē )信的地方才能打开它们。于是(shì )萍就带(dài )上了祖母的骨灰踏上(shàng )了去往缅甸(diàn )之旅。她在(zài )缅甸遇到了凯凯，只有他知(zhī )晓祖母(mǔ )的存在。随(suí )后他们发(fā )现原来(lái )这些(xiē )信都是一个(gè )深爱着