Several months after the U.S. entry into World War II, an inexperienced U.S. Navy commander must lead an Allied convoy being stalked by a German submarine wolf pack.
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.
1930s Hollywood is re-evaluated through the eyes of scathing social critic and alcoholic screenwriter Herman J. Mankiewicz as he races to finish the screenplay of Citizen Kane (1941).