When Irène Frain learned that her older sister, a 79-year-old woman, had died, seven weeks had already gone by since the day she was attacked in her home. The author, Irène, is still fighting for a case to be opened on her attack and for the culprit to be found. Meanwhile, she writes about her adored sister. Between the lines, we see the author herself: a woman of immense strength and vulnerability, a woman with a questioning mind who cannot accept not knowing.