
S01E01 Episode 1
Aboard a falling plane as the clock ticks toward doom, Han Tae-sul puts his famous mind to work for a solution. Gang Seo-hae arrives in the year 2020.
As Tae-sul tries to locate him, Sigma reveals more details about himself. Sun frees Seo-hae from the bunker.
An unfathomable incident introduces a genius engineer to dangerous secrets of the world — and to a woman from the future who's come looking for him.