With no clue how he came to be imprisoned, drugged and tortured for 15 years, a desperate businessman seeks revenge on his captors.

In the 22nd century, a paraplegic Marine is dispatched to the moon Pandora on a unique mission, but becomes torn between following orders and protecting an alien civilization.

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…