 At the film's start, a young man (Liu Ye) begins his first journey as a postman at the mountainous rural areas of the aforesaid regions.His father (Teng Rujun), a veteran postman forced to retire due to a bad knee, decides to accompany him together with the family's faithful dog, Buddy.The father walks his son through the nitty-gritty of the job, and the son realizes the mailman job entails not just the sending of letters.