Elles ont tué

January 2009, the bodies of a man and his three children are found in their home. Only one person is still alive: a woman, a devoted mother, Cathie Gauthier. She will be charged with the premeditated murder of her three children. We plunge into the tragic story of a failed suicide pact. Is it possible to kill out of love?

On September 26, 2004, Charles Falaria dies at home. One hour after Charles takes his last breath, his mother calls for help and reveals what has happened. Marielle Houle is accused of helping her son commit suicide, a crime punishable by 14 years in prison. It is a case of mercy killing.

On December 6, 2008, Stéphanie Meunier is in a panic when she dials 911. The young boy in her care is in a critical condition following a fall in the park. When paramedics arrive, they discover an unconscious, abused child. He dies within a few hours. A tragedy reminiscent of Aurore Gagnon, the child martyr.

In June 1983, René Caron's body is found in a park in Vieux-Terrebonne. His ex-wife Danielle Thériault-Caron is questioned by the police, but for lack of evidence, she is released without a charge. Twelve years later, the revelations of an informer lead to the reopening of the investigation.