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. The film has shot in Brussels and Catalonia, specifically in Barcelona, ​​Port Ginesta, and Berga. In our city, they filmed in the L1 of the metro and Fira de Barcelona simulating an airport.

Antonio de la Torre plays Leo. French actress Marine Vacth plays the police investigating the robbery involving Leo's son. The cast completes with Olivier Gourmet, Fabrice Adde, Tibo Vandenborre, and Noé Englebert.

Giordano Gederlini directs the film. He is the screenwriter of Les Misérables, France's Oscar-nominated and winner of the 2019 Cannes Jury Prize directed by Ladj Ly. Produced by Frakas Production, in co-production with Noodle Productions and Fasten Films.