The British Grenadier - S4.E4

Dalziel gets a phone call from an old flame, Stella, who needs someone to talk too as her marriage is falling apart. She had a row with her husband, Frank and he believes she is unfaithful Dalziel goes round to the pub they own and gets confronted by the husband, who has a gun from his army days. He takes Dalziel and the other people in the pub hostage.

Dalziel tries to keep everyone calm while Frank starts to crack under the stress.