Joe continues his investigation into his father's death with the help of Gaétane. Beth and Phil take advantage of a day without the kids to relax and reconnect. A client of Agnès has significant side effects following treatment.

Following Joe's confession about Fiona's death, the three sisters are separated again. Agnès and Mathis must quickly go to the hospital. The relationship between Beth and Phil deteriorates. Joe wants to find Michael and Louise at all costs.