-"Libre échange" relates the adventures of François and Marie, who meet in a bar just before their weekly marital therapy session. Each episode reconstructs their life, the reasons of their meeting, and their separation.

-François (Louis Morissette) and Marie (Marie-Claude Guérin) meet in a bar just before their weekly couples therapy session. On the verge of a breakdown, they discuss what they still have in common after 15 years of marriage. Over the course of the episodes, we discover their story as they talk about their first meeting, their first love, their spats, and the ups and downs of their attempt to reconcile. Their honest, humorous and tender discussions reveal the pitfalls of long-term relationships and the heartbreaking choices they entail.