Louis Cadieux, a young "undercover" police officer, is used to infiltrating the circles where he conducts his investigations. But a tragic event turns his life upside down when his girlfriend becomes the victim of an unexplained attack. Louis then tirelessly commits himself to finding the culprit. He does not hesitate to infiltrate the world of high-end prostitution to unmask the murderer. The extraordinary journey of this policeman, who takes risks and plays dangerously with the law, will keep every viewer on the edge of their seat. A psychological thriller combined with the passionate and touching quest of a hero who seeks the truth at all costs, but also an endearing and colorful portrait of everyone around him who often struggles to keep up.