Leo Castaneda is Spanish and lives in Brussels. Leo drives the subways of line 2. One evening, he meets the eyes of a young man at the edge of the platform. Feverish eyes of distress, a familiar face… Leo recognizes his son Hugo, when this one disappears tragically on the rails! Leo, who had not seen him for more than two years, will discover that Hugo was involved in a bloody robbery. Leo will have to face violent criminals to try to understand the reasons of his son’s death.