Lydia reveals important information at Plamondon's trial. The investigation into Doctor Coderre takes a worrying turn when the grandson of a victim comes to his defense.

Lapointe and Mélodie must find a new angle of attack at Dr. Coderre's trial. Kim and Maxime go to the mysterious woman who left the bag at the office. Maxime creates some discomfort by announcing to Kim that he has a date.