Gill introduces her new sergeant to Will Pemberton, an ambitious detective superintendent on his way to the top. However, Rachel and Will have been enjoying a passionate yet discreet affair for the past few months. Will wants to go public but Rachel would prefer to keep it quiet, worried about how others might judge her. Inspired by Eleanor's happy home life, Janet determines to persevere with the dating game. But a speed dating evening proves a disaster when she realises she is unable to step out of character, and has been interviewing every man there as if he was a suspect. The case of the week involves the murder of a woman in a Manchester hotel. With only a necklace and the name Lola to go on, Syndicate 9 try to piece together her last known movements. When a witness comes forward to report a troubling sexual encounter, it seems that a hook-up site could hold the answers.