萍的祖母去世时(shí )留下了十(shí )封尘封许久的信，她嘱咐只(zhī )有在写这些信的地(dì )方才能打开它(tā )们。于是萍就带上了祖母的骨(gǔ )灰踏上(shàng )了去往缅甸之旅。她在(zài )缅甸遇到了凯凯，只(zhī )有他知晓祖母的存(cún )在(zài )。随后他们发(fā )现原来这些信都是一个深(shēn )爱着(zhe )