萍(píng )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(de )地方(fāng )才(cái )能打开(kāi )它(tā )们。于是(shì )萍就带上(shàng )了祖(zǔ )母的骨灰踏上(shàng )了去往缅甸之旅。她在缅甸遇到了凯凯，只(zhī )有他知晓祖母的存在。随后他们发现原来这些(xiē )信都是一个(gè )深爱着