Gilgamesh, fearful of his own death, decides to journey across different lands to find Utnapishtim, the Faraway, in order to become immortal as Utnapishtim and his wife are the only two humans known to have been given immortality by the gods.
After a long and perilous journey, Gilgamesh arrives at the twin peaks of Mount Mashu at the end of the earth. He comes across a tunnel which is guarded by two scorpion men. After they question him, they allow him to go through the tunnel.
Gilgamesh is in complete darkness as he tries to find his way out this long tunnel. No matter where he looked, it was completely dark. After some time Gilgamesh could see some light at the end of the tunnel.
After journeying across the Waters of Death, Gilgamesh meets Utnapishtim who he tells his story to, Utnapishtim reprimands Gilgamesh for foolishly seeking immortality which diminishes the joys of life, Utnapishtim tells Gilgamesh his story and in the end, Gilgamesh decides to not pursue immortality.
When Gilgamesh is distracted, a serpent eats the flower that Utnapishtim had given him, which sheds it's skin as it leaves.
In the end, Gilgamesh learns that being mortal is to live each day as if it was your last, to make the best of it while he still can.