Gilgamesh

In an attempt to gather information on immortality, scientists from around the world have assembled to study "Heaven's Gate"—the tomb turned laboratory of the mythical king Gilgamesh. But soon enough, the research is deemed unethical and all planned work comes to a halt. However, a group of terrorists pay this no thought and storm into Heaven's Gate, ultimately causing an explosion that leads to the collapse of the advanced information civilization. Many years after the incident, the siblings T...