Four Lives is a British three-part television drama aired on BBC One. It follows the true story of the families of four young gay men (Anthony Walgate, Gabriel Kovari, Daniel Whitworth and Jack Taylor) who in 2014 and 2015 were murdered by Stephen Port. Facing failings by the Metropolitan Police, they fought for justice for their loved ones. Stephen Merchant plays serial killer Port with Sheridan Smith as Sarah Sak, the mother of Anthony Walgate, Port's first victim.