Arnold, whose lifestyle on a battered houseboat in Chelsea's Cheyne Walk contrasts sharply with the affluent elite whose crimes he helps solve alongside partner D.C. Priya Shamsie.

Arnold, whose lifestyle on a battered houseboat in Chelsea's Cheyne Walk contrasts sharply with the affluent elite whose crimes he helps solve alongside partner D.C. Priya Shamsie.

Arnold, whose lifestyle on a battered houseboat in Chelsea's Cheyne Walk contrasts sharply with the affluent elite whose crimes he helps solve alongside partner D.C. Priya Shamsie.

Arnold, whose lifestyle on a battered houseboat in Chelsea's Cheyne Walk contrasts sharply with the affluent elite whose crimes he helps solve alongside partner D.C. Priya Shamsie.

Arnold, whose lifestyle on a battered houseboat in Chelsea's Cheyne Walk contrasts sharply with the affluent elite whose crimes he helps solve alongside partner D.C. Priya Shamsie.

Arnold, whose lifestyle on a battered houseboat in Chelsea's Cheyne Walk contrasts sharply with the affluent elite whose crimes he helps solve alongside partner D.C. Priya Shamsie.

Arnold, whose lifestyle on a battered houseboat in Chelsea's Cheyne Walk contrasts sharply with the affluent elite whose crimes he helps solve alongside partner D.C. Priya Shamsie.

Arnold, whose lifestyle on a battered houseboat in Chelsea's Cheyne Walk contrasts sharply with the affluent elite whose crimes he helps solve alongside partner D.C. Priya Shamsie.