In the near future, humanity is in a desperate struggle against an unstoppable alien race known as the "Mimics." Bill Cage, a public affairs officer with no combat experience, is dragged into a suicide mission on the front lines. However, what should be his end turns into something extraordinary. After being killed in battle, he finds himself trapped in a time loop, forced to relive the same day over and over again each time he dies.
With each repetition, Bill improves his combat skills and begins to uncover the secrets of the alien invasion. Alongside the brave and experienced warrior Rita Vrataski, who has also experienced a similar phenomenon, he becomes her apprentice in the art of fighting. As the duo struggles to find the key to stopping the Mimics, the pressure builds, and they face a ticking clock.
Through intense action and moments of dark humor, Bill and Rita must find a way to break the cycle and confront the enemy in a final battle that could decide the fate of humanity. Each death becomes a lesson, and over time, Bill realizes that the only way to win is by learning from his mistakes and rediscovering his own courage. The movie is an electrifying blend of science fiction and action, keeping viewers on the edge of their seats.