Armed with only the word "Tenet," and fighting for the survival of the entire world, CIA operative, The Protagonist, journeys through a twilight world of international espionage on a global mission that unfolds beyond real time.
Fleeing from the Russian secret police, a young Estonian fencer is forced to return to his homeland, where he becomes a physical education teacher at a local school. The past however catches up and puts him in front of a difficult choice.