It seems like they have been close to many people in their lives, but upon closer investigation those ties appear fragile. After many short acquaintances, broken off before long, the two brothers have only each other to rely on.
生命中看似親密的人不少，仔細追索，才發現每一線關愛都薄弱如絲，短暫相連即驀然斷去，最終只留下兄弟倆相依為命。