Following a heart transplant, Florence opens up to the painful identity questions of her adopted daughter, Zoé, discovering that her donor, Ana, was also an adopted child Determined with Simon, Ana's father, to elucidate the reasons for her mysterious death, Florence hopes that understanding Ana's tragic destiny will help her save her own daughter in the midst of a teenage crisis... An intense family story, on the subject of the quest for identity , which places the family and the theme of love at the center of the story.