The weekend of August 15th gives the opportunity to Michel Fauvet, a recently divorced father, to spend two full days with Bruno, his thirteen-year-old son, that he can normally see only one Sunday a month. Feeling guilty, he tries to compensate for the trauma inflicted to Bruno by giving him presents. This time around, Michel has decided to treat him to a nice trip to Bruges and the Belgian Coast. Which will not prevent Bruno from asking his father disturbing questions.
Stefan Borba was a member of a spy ring during the war but after the end of the conflict he opted out. Now he is a miner in Belgium and lives happily there with his wife Denise. Unfortunately for him, his past catches up with him. One day indeed, Milan, a secret agent with whom he used to work, resurfaces and forces him back into action...