A married couple, Joanna and Mark Wallace, embark on a road trip through the picturesque landscapes of France. Filled with a blend of nostalgia, tension, and fleeting moments of joy, their journey evolves into a reflection of their 12-year relationship. The narrative shifts fluidly between time periods, offering glimpses into key moments such as their initial meeting, early passionate days, and the complications that arose from their contrasting personalities and infidelities. As they visit familiar places, their conversations oscillate between playful banter and biting arguments, highlighting the complexity of their bond.

Through these vignettes, the film artfully explores the themes of love, marriage, and personal growth. Joanna's free-spirited nature often clashes with Mark's pragmatic approach to life, resulting in both tender and tumultuous encounters. Their interactions with friends and experiences along the way further underscore the evolving dynamics of their relationship. Despite the challenges and emotional upheavals, it's evident that there remains a deep connection between them. Each scene reveals a different shade of their enduring bond, allowing audiences to piece together the story of a couple navigating the ups and downs of a shared life.