Pelletier is back to help the Squad find evidence against their suspect. Information forces the police to deepen the analyzes of the samples taken from Justine's clothes. It is total consternation following the results!

The Squad is flabbergasted by the arrival of Me Poliquin in the file of Alexis Gagnon. Pelletier is convinced that Me Poliquin comes to the defense than Gagnon to restore his reputation, but first and foremost to make the squad sweat!