萍(píng )的祖母去世时留下了十(shí )封尘封许久的信，她(tā )嘱咐只有在写这些信的地方才能打开它们。于是(shì )萍就带上了祖母的骨灰(huī )踏(tà )上了去往(wǎng )缅甸之旅。她在缅(miǎn )甸遇(yù )到(dào )了凯凯，只(zhī )有他知晓祖母(mǔ )的存(cún )在。随后他们发现原来(lái )这些信都是一(yī )个深爱着