Reg welcomes Bob back from leave after the shooting. Top brass want to treat him with 'kid gloves' and don't want him to tkae his firearms refresher course. A social worker tells Bob of an old lady who had her purse snatched with her keys. She feels someone should visit her. On the way Bob finds obstruction at a market. At the house Bob finds weapons all around the house in case the thieves ise her keys. The old lady comes to the station with blood on her knife. (thetvdb.com)