Grieving parents Eve and Yanis move houses, hoping for a fresh start. Tragically, their baby dies. They bond with neighbors Livia and Stéphane, forming an intense connection that blurs boundaries, leading them down an inextricable path.

Eve and Yanis, parents of a one-month-old baby girl, move into their new suburban house, looking for a fresh start. But one evening, following a tragic accident, their baby dies suddenly. Broken, Eve and Yanis try to rebuild themselves. They find comfort with their neighbors across the street, Livia and Stéphane. She's a nurse, he's a cop. A special bond between the two couples develops: they share their sorrows, their joys... and soon more. Their destinies intertwine and intertwine far beyond reason, to a point of no return so neither will come out unscathed.