萍的祖母去世(shì )时留下了十封尘封(fēng )许久的信，她嘱咐只有在写这些信的地方才(cái )能打开它们。于(yú )是(shì )萍就带(dài )上了祖母的骨灰踏上(shàng )了去往缅甸(diàn )之旅。她在缅甸遇(yù )到了凯凯，只有他(tā )知晓祖母的存在。随后他们发现原来这(zhè )些信都(dōu )是一(yī )个(gè )深爱着