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 diverse group of tourists on an organized trip to Lisbon find themselves investigating a murder after one of them is killed on the first morning. Set out to find the killer among the group as they visit beautiful Lisbon sites.
