The dog unit embark on a desperate manhunt amid fears that a weapon-wielding brawler is roaming the streets of Lincoln. Craggy closes in on a shop thief with a suspicious bag full of surprises. There are also hare-brained thrills and nasty spills when the team tackles a wannabe stunt rider and a boozed-up biker who is raising hell on the A roads. (thetvdb.com)