While at a police function on the Thames with Supt. Chandler and DC Spears, DI Cullen spots a man climbing through the window of a riverside house. Cullen calls Sun Hill, but the rather inept team of Hollis and Taviner fails to capture the intruder. Embarrassed by the spectacle, Chandler assigns Spears to work on Sun Hill's burglery statistics, and she finds a link between a number of other break-ins. Chandler is furious when Cullen hires a criminal profiler, Roy Stenning, but his information gets CID close to a likely suspect. Rumours about the relationship between Spears and Chandler are rife thoughout the station, and Spears is not popular with her colleagues, who accuse her of sleeping her way to the top. When Reg Hollis is caught by Chandler for unauthorised use of the PNC, Des Taviner threatens to reveal a secret from their past at Hendon, but finds his own use of the PNC under scrutiny. Chandler and Spears meet for dinner, but Chandler is hesitant to move too fast. The intruder