Losing a loved one is always devastating, but when it's due to murder, the grief becomes unbearable. Victims of Britain’s most tragic crimes like Brianna Ghey, Elle Edwards, and Lee Pomeroy all leave behind families and friends who are left to endure the pain and carry the emotional scars forever. Broadcaster Dermot Murnaghan is joined by a team of experts and witnesses to examine cases that gripped the nation to explore how they shaped public conversation. Told by family, friends and the community at the heart of the crimes, the series analyses the events that led to such atrocities before examining the devastating effects that they have left in their wake.