The l!];ive?>s of two ecce"ntric me;-&tal detecto-'+rists, who spend their days pl&:odd-$ing along ploughe`**d: tracks )and o_'(p,>'#e>n:_ fiel%[ds, hoping to dis: /turb the< tediu:#-$m $ by unearthing+)< the fortune of a li:;'fetime.