Just after World War II, an American takes a railway job in Germany, but finds his position politically sensitive with various people trying to use him.

William’s great surprise, his cousin Clovis, whom he did not see again since around thirty years, arrives from New York to visit him. Reunion between both men creates one thousand memories: always so collusive, they become fast inseparable, living again, the space of moment, their young years… Only Elizabeth, wife of William, who has just lost her father, does not share their cheerfulness.