 "Under the Mat" recounts Diana's life growing up in the Hart House, being sister to Owen and Bret, witnessing their rise to fame and the terrible tragedy which claimed Owen's life.She remembers her father training some of the WWF's and WCW's biggest names in her family's basement gym, the famous Dungeon, and recounts their tales to stardom.In the chapter "Roots" she also discusses her family's history on her mother's side.