萍的祖母去世时(shí )留下了十封尘封许久的信，她嘱咐只(zhī )有在写这些信的地(dì )方才能打开它们。于是萍就带(dài )上了祖母的骨(gǔ )灰踏(tà )上了去(qù )往(wǎng )缅甸(diàn )之旅。她在缅甸遇到了(le )凯凯，只(zhī )有他知晓(xiǎo )祖母的存在。随后他们发现原(yuán )来(lái )这些信都是一个(gè )深爱着