Boyden recruits an SO10 officer to go undercover in order to expose an illegal poker ring running out of a local Turkish café. However, when they raid fails, the officer goes missing. As Meadows takes over the investigation, he identifies a Turkish national he failed to arrest during his days at AMIP, and discovers he has been flagged by the Drugs Squad for an importation operation. However, Meadows leads a raid on a warehouse and blows the Drugs Squad's surveillance operation. Joining forces, they discover a scam in which a deliberate crash was caused in Germany so an apparent good samaritan could have "a mate fix the car" in order to hide drugs in the chassis and smuggle it into the UK undetected. Realising the scam has been rumbled by the SO10 officer, the team fight to track him down before he's silenced.

A gang of masked girls armed with baseball bats run riot at a wedding, but escape with the presents before PC Taviner and PC Hollis can catch them. The gang have been causing headaches for Sun Hill for weeks, and although she is not involved in the case, Supt. Chandler sends DC Kate Spears to visit the local schools, ostensibly to encourage students to join the Met's Volunteer Cadet Corps, but secretly to obtain information on the gang and its members. The gang's violence intensifies and the bride's sister, Debbie Pike, is found badly beaten after an altercation with a mother and her baby on the high street. As rumours about her and Supt. Chandler fly around the station, Kate Spears pushes an eager schoolboy informant too far, and he too is found bashed. When he regains consciousness, he tells Spears that Debbie is a gang member. Debbie admits she arranged for the gang to attack the wedding as she was in love with the groom, and Spears finds herself in grave danger when she confronts t

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