萍的祖母去世时留下了十封尘封许久的信，她(tā )嘱咐只有(yǒu )在写这些信的地(dì )方才(cái )能打开它们(men )。于(yú )是萍(píng )就带上(shàng )了祖母的骨灰踏上(shàng )了去往缅甸之(zhī )旅。她在缅甸遇到了凯凯，只有他知晓祖母的存在。随后他(tā )们发现原(yuán )来这些(xiē )信都是一个深爱(ài )着