Charlie's first solo pursuit is at 115mph when he tails a dangerous driver taking risk after risk, but the officer is forced to abort when the reckless suspect takes off down the A4 the wrong way. Following reports of three men armed with weapons, handler Steve and his police dog Blue join forces with the firearms team for an operation in Kettering. Sandra and Chris face a battle to bag a sample of breath from a suspected drink driver, who's lucky to be alive after ploughing into a roundabout, leaving exposed electrics and potentially smouldering wreckage in his wake