Sophie has invited Patrick and his mother to dinner, but Patrick is disturbed to take care of a fight in the parking lot of a shopping center. The investigators meet at the hospital. Patrick and Bruno are interested in the man who was seriously injured in the parking lot and question his wife. Isabelle is on the case of a black teenager, Charlotte Maître, who was intoxicated to the point of putting her life in danger. She believes she may have been a victim of date rape drugs. Nadine is on vacation. Chiasson replaces her and takes the opportunity to ask the investigators to catch up with their reports.