Eva and Yanis, parents of a one month old baby girl, move into their new suburban lodge, looking for a new start. But one evening, following a tragic accident, their baby suddenly died. Broken, Eva and Yanis try to rebuild themselves. They find comfort with their neighbors opposite, Lucie 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 are linked and intertwined far beyond reason, to a point of no return so none will come out unscathed.