萍的祖母去世时留下了十封尘封许久的信，她(tā )嘱咐只有在写(xiě )这(zhè )些(xiē )信的地方才能打开它们。于(yú )是萍(píng )就带(dài )上了祖母(mǔ )的骨灰(huī )踏上了去(qù )往缅甸之旅。她在缅甸遇到了凯凯，只有他知晓(xiǎo )祖母的存(cún )在。随后他(tā )们发(fā )现原来这些信都是一(yī )个深爱着