在一個(ge)未來(lai)科技高(gao)度發(fa)達的(de)永(yong)(yong)生(sheng)(sheng)(sheng)世界,人(ren)類發(fa)現了一種(zhong)永(yong)(yong)生(sheng)(sheng)(sheng)藥(yao)丸,永(yong)(yong)生(sheng)(sheng)(sheng)可以讓(rang)人(ren)永(yong)(yong)葆青春。永(yong)(yong)生(sheng)(sheng)(sheng)然而(er),永(yong)(yong)生(sheng)(sheng)(sheng)隨著時(shi)間的(de)永(yong)(yong)生(sheng)(sheng)(sheng)推移,他們(men)開始意識(shi)到永(yong)(yong)生(sheng)(sheng)(sheng)并非永(yong)(yong)恒幸福,永(yong)(yong)生(sheng)(sheng)(sheng)而(er)是永(yong)(yong)生(sheng)(sheng)(sheng)一個(ge)永(yong)(yong)無止境的(de)孤(gu)獨旅(lv)程(cheng)。永(yong)(yong)生(sheng)(sheng)(sheng)