In a small province in Thailand, the life of the former Thai veteran, Yong, casually seems like a typical old man. Even though he currently feels unwell, Yong spends every day with the dream of building a tree-house solely with his own hand, and raising an intelligent niece.
When friendship deepens into what veterinarian Keng hopes could become love, he learns that beautiful Fai still harbors feelings for her ex-husband who also happens to be Keng's best friend.