Hugo Llor, a 12-year-old boy who spends most of his time on the streets. His day is also spent in the shipyards and his dream is to become a shipbuilding craftsman, although his fate is uncertain. Hugo's life is not easy, he is a very lonely boy and his mother is forced to move away from him, but he has the support and protection of a respected old man: Arnau Estanyol.
A man suddenly attacks a family event at East Coast Park, driving into the crowd recklessly and then exits the vehicle, slashing whoever comes into his sight. After experiencing this traumatic event, the survivors face immense challenges in rebuilding their life.