Claudine Grenier and Marc Lemaire meet again after thirty years, much to Claudine's dismay. As a teenager, Claudine was one of the last people to see Marc's mother before she died in a fire. This happened one evening when Claudine was babysitting Marc. What really happened that night? The past will soon catch up with the present of Marc, now father of a young boy and a prestigious real estate agent, and of Claudine, now mother and experienced businesswoman. This will have major consequences for their families and for the fate of all of them.