Welcome to 'Plathville' star Lydia Plath has opened up about a deeply personal chapter of her life-the tragic loss of her younger brother Joshua at just 17 months old. Speaking on the 'Unplanned' podcast, Lydia, now 21, recalled vivid memories of the accident from when she was four, sharing how her mother, Kim Plath, accidentally ran over Joshua in 2008. The family, overwhelmed with shock, found the tragedy incredibly hard to discuss. Lydia explained that they rarely spoke about Joshua's death