Tenet

The film takes place during an orchestra concert in Kiev. A concert hall is attacked, and we follow an unnamed CIA agent who is working undercover to recover a colleague and a strange artifact. The only name we have for this character is the Protagonist. He fails the mission, gets captured and is tortured. To protect himself and his allies, he takes a cyanide pill. As it turns out, the pill is fake, and this is an invitation to join a new intelligence service. He passed it and is now part of a top-secret mission known as "Tenet". The protagonist's mission is to learn more. This leads him to a secret facility where he must learn inversion. The protagonist uses this information to track down arms dealer Priya Singh in Mumbai. He finds out that she is a member of Tenet, and she reveals that the person who is buying her future technology is a Russian oligarch named Andrei Sator (Kenneth Branagh). We find out that Sator has cancer and is dying. He is so angry at death, being a billionaire, that he unites these cubes that cease to exist so that the world cannot continue to live without him. He creates an inverted nuclear bomb to destroy everything. The main problem is that if you have an inverted nuclear bomb, it will create endless chaos and destroy the world.