Uxbal, a man struggling with terminal illness, lives in Barcelona and navigates the darkness of his life as a single father to his two children. He hustles in the city's underworld, involving himself in illegal activities like human trafficking and counterfeit goods. Uxbal has a complicated relationship with his estranged, bipolar wife, who is unable to provide a stable environment for their children. He also possesses a mystical ability to communicate with the recently deceased, which he uses to earn extra money for their dire needs. Uxbal remains determined to secure a future for his children in the scant time he has left.

As his health deteriorates rapidly, Uxbal's focus shifts more intensely toward making arrangements for his children's well-being beyond his inevitable death. He encounters numerous moral and ethical dilemmas, revealing the extent of his desperation and love for his family. Although Uxbal attempts to resolve his illegal affairs and make amends for his past actions, his efforts often contribute to further tragedy and suffering. His journey is marked by a profound exploration of human frailty, love, and redemption against the backdrop of a harsh, urban reality.