In the heart of 1917 Barcelona, a city pulsing with the raw energy of industrial growth and the shadows of impending class warfare, the lives of brothers and Gabriel Garriga are shattered by the brutal murder of their mother. Abandoned by their father, they are taken in by their Uncle Ernest, but the trauma of that blood-soaked afternoon never truly leaves them.
As they grow into young men working in the city's grim textile factories, their paths diverge under the pressure of a society on the brink of explosion:
, naturally more cabal and just, tries to keep his head down. However, the city’s atmosphere of "pistolerismo"—where employers and unions alike employ gunmen to settle disputes—eventually pulls him in. Forced into an impossible corner to protect what he loves, Mateu commits a crime that changes everything, transforming a man of principle into a feared gunfighter .