An unnamed intelligence operative, recruited into a shadow war fought through time-inverted weapons and objects, teams with an enigmatic ally to stop a dying Russian oligarch from using technology gifted by a dying future to erase the present.

1. Scenes 1–17

   The Protagonist in his zone of comfort — a skilled, anonymous field operative, competent and confident inside the Kiev operation.

2. Scenes 18–20

   Broken by torture and 'killed,' he needs a new purpose; Fay offers one that transcends the nation-state loyalties that just got his team killed.

3. Scenes 21–32

   He enters the wholly unfamiliar situation of Tenet — the wind turbine, the password test, and Barbara's proof that time itself can run backward.

4. Scene 47

   The Protagonist begins surveilling Kat at her son's school gates — he commits to using her marriage against Sator, entering the upside-down world of the operation proper.

5. Scene 51

   Kat's appraisal-room scene with the forged Goya begins the relationship — with Kat, and by extension her son Max — that will carry the story's theme of what a parent will do to save a child.

6. Scene 111

   The Protagonist re-approaches Kat at Amalfi to use her as his entry to Sator, formally locking him into the Sator operation rather than working it from the outside.

7. Just before
8. Scene 118

   Sator hands the Protagonist sailing gear for a race against Kat at the helm.

9. Scene 119

   Kat is named 'captain' of the sailing race.

10. Scene 120

    Mid-race, the Protagonist probes Sator about the missing plutonium as Kat deliberately releases his harness, pitching him overboard.

11. Scene 121

    This scene