The story of J. Robert Oppenheimer's role in the development of the atomic bomb during World War II.

Driven by a dream of revenge against those who made her an outcast in Edo-period Japan, a young warrior cuts a bloody path toward her destiny.

Armed with only one word - Tenet - and fighting for the survival of the entire world, the Protagonist journeys through a twilight world of international espionage on a mission that will unfold in something beyond real time.