Several interconnected chapters follow a variety of Parisian couples navigating love, desire, and relationships. Isabelle, frustrated by a year of celibacy, rejects her friend Zoé’s offer to “borrow” her husband and instead impersonates their mutual friend Amélie, who cannot bring herself to sleep with her close friend Boris. Meanwhile, the lonely Achille is stunned when his alluring new neighbor appears at his door in a negligee, proposing an affair. Elsewhere, middle-aged Emmanuelle struggles with an overwhelming attraction to every handsome man she encounters, threatening her marriage, while a young couple wrestles with jealousy. Each chapter delves into the unpredictability of love with humor and poignancy.