Old Filth told the story of Sir Edward (Eddie) Feathers QC, aka Filth, his colonial upbringing and career, his long and comfortable marriage, his rivalries and friendships. The Man in the Wooden Hat picks up these threads from the perspective of Filth's wife, Betty. An orphan of the Japanese internment camps, a free spirit, a clever code-breaker at Bletchley Park, Betty has her own secret passions. No wonder she is drawn to Filth's hated rival at the Bar, the brash, forceful Veneering.