Stamp and Page attend a break at the home of Barton Street PC Steve Bennett, who returns after a night out with Quinnan to find his daughter's bedroom has been vandalised. He enlists the help of Stanton to investigate what Bennett's wife claims has been an ongoing campaign of harassment. Bennett points Quinnan in the direction of an ex-lover, but it proves to be a non-starter. Attention then turns to local villain Dougie Davis, who has history for a similar campaign of harassment against another Barton Street PC, however he is incarcerated. Attention then turns to an unlikely source, but events take a dramatic turn when Bennett is injured in a hit and run. Meanwhile, Jenny has a frosty encounter with uniform at Stamp's birthday party, dampening her relationship with Quinnan.

A restaurant is put under surveillance as it hardly has any customers but its owner Maloud Senac has been putting large deposits into his bank account. An informant tells Stevie that Senac is going to import thirty kilos of cocaine into Britain. When a sting is set up, things don't go to plan. Senac's daughter Salma is kidnapped and when Samantha finds out she wonders why he not told the police.