The Fall of the House of St Gardner (S08E09)

After a gossip columnist threatens to unveil the hidden truths of a prominent fashion house, she is found dead. The shocking murder sends ripples through the industry, as suspicions rise and secrets begin to unravel. As investigators dig deeper, they uncover a web of deceit and rivalry that could implicate some of the most powerful figures in fashion. With everyone hiding something, the race is on to find the killer before more lives are put at risk.