萍的祖母去世时留下了十封尘封许久的信，她(tā )嘱(zhǔ )咐只有在写这些信的地(dì )方才能打开它(tā )们(men )。于是萍就带上(shàng )了祖母(mǔ )的骨(gǔ )灰踏(tà )上(shàng )了去往缅甸(diàn )之旅。她在缅甸遇到了凯凯，只有他知晓祖母的存(cún )在。随后他(tā )们(men )发现原来这些(xiē )信都是一个深爱着