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.

Jack Malik is a struggling singer-songwriter in an English seaside town whose dreams of fame are rapidly fading, despite the fierce devotion and support of his childhood best friend, Ellie. After a freak bus accident during a mysterious global blackout, Jack wakes up to discover that he's the only person on Earth who can remember The Beatles.

Pilot Amelia Wren and scientist James Glaisher find themselves in an epic fight for survival while attempting to make discoveries in a hot air balloon.