In a quiet Spanish village, a man named Héctor is drawn into a series of events that defy logic and time. One night, while taking a walk in the woods, he stumbles upon a mysterious occurrence: a strange device that, unbeknownst to him, will allow him to travel through time. Everything begins when he witnesses an ongoing crime involving a woman and a mysterious attacker.
Desperate to save the woman, Héctor decides to use the device, but what seems like a heroic act quickly turns into a dangerous and twisted game. Trapped in an increasingly complicated time loop, he finds himself caught in a series of disastrous decisions that lead him to confront himself and the consequences of his actions.
As the tension escalates, each attempt to resolve the situation only generates more chaos and unforeseen violence. A simple mistake can mean the difference between life and death, and he soon discovers that time has its own rules. Paranoia and dread begin to consume him as he struggles to unravel a tangle of identity, love, and guilt. With every trip to the past, the line between hero and villain blurs, leaving him in a spiral of intrigue and unexpected outcome where every second counts. In the end, he will realize that some things are better left in the past.