Leo Castaneda is a Spaniard who lives in Brussels. There he is a metro conductor on line 6. One night, he sees how a young man throws himself onto the train tracks. It is his son Hugo. He has not seen him for two years. Leo discovers that his son participated in a bloody robbery. And, to understand the reasons for the death of his son, he has to confront himself with violent criminals.
Shot in Barcelona, Berga, Sitges.