萍(píng )的祖母去世时留(liú )下(xià )了十封尘封许久的信，她(tā )嘱(zhǔ )咐只(zhī )有在(zài )写这些(xiē )信的地方才(cái )能打开它们。于是萍就带(dài )上了祖母的骨灰踏上了去往(wǎng )缅甸之旅。她在缅甸遇到了(le )凯凯，只(zhī )有他知晓祖母的存(cún )在。随后他们发现原来这(zhè )些信都是一个深爱着