TV24 journalist Salomé Jolain is murdered while investigating a case of adultery. Her aunt, Alice Kléber, is the founder of lovalibi.com, a site that provides alibis to adulterous couples. To Captain Barnier, a loving father, and the alluring Lieutenant Maze, this connection is no mere coincidence. As their investigation proceeds, Barnier struggles with his feelings for Maze, aware that their feelings cannot be allowed to impinge upon their case.