Imagine that you could go back twenty years and meet your younger self in a dream. Imagine that you had the opportunity to talk to this person. What would you say to him? In the deepest of all dreams, twenty-eight-year-old Jacques Klein meets a surprisingly similar man who claims to be Jacques Klein at forty-eight years old. It turns out that he has discovered the ability to travel through time and visit his own dreams. Young Klein does not want to let go of his future self, because he has so many questions, and there are things that he would not mind changing...