On the beat with the police officers of Brighton after dark. Young officers Matt and Will stop an ex-police chief for suspected driving under the influence - but things quickly turn awkward. Determined to prove themselves they attend a suspected arson where they are determined to catch the culprit. Sophie and Rachel investigate a possible street assault that has left a man with life-threatening injuries and Steve comes across a pair of legs sticking out of the bushes. The question is - whose are they?