Marie-Christine and Maryse begin the investigation into Patricia Fergusson's disappearance to help Sabrina find out the truth.

Linda discovers in 1998 that her neighbour may not be the man she thought he was. Sabrina takes a DNA test to discover her origins.

The neighbour took his victims to two different motels. Is there any evidence left of his visits on the night of June 6, 1996?

Marie-Christine is determined to confront the man who lived in apartment 5. Will Sabrina get to know her biological father?