Smithy is assigned to puppywalk two new PSCOs assigned to the station – Colin Fairfax and Gabriel's arch-nemesis, Laura Bryant. The trio investigate when a group of local youths vandalize lifts in a local tower block, and then attack the property of a local resident. However, an illegal search conducted by Laura proves to be an issue in securing a conviction. Meanwhile, Jim is assigned as SIO on the case of Karen Burnett, who has disappeared without trace on her way home from work. Honey is assigned as Family Liaison Officer, and speaks to the victim's husband, Scott, who is concerned for her welfare. Sam is outraged when Abi announces that she is marrying abductor Hugh.