In this docuseries, Annie-Soleil Proteau and Félix Séguin follow in the footsteps of notorious criminals who have been cold-bloodedly murdered, and set out to meet their loved ones who are hoping to resolve their unanswered questions. In the process, they uncover the tragic reality experienced by the family members of these criminals. The bigwigs of the underworld rarely have a happy ending. They may no longer be around to tell their stories, but their loved ones still can.