In series 9 Karen has returned to her former, stable self. She invites half the estate to stay with her when they're evicted, and also gets into a fight with Gloria Meak (Angeline Ball), which is quickly settled. Karen is unaware for some time that Jamie has begun an affair with Gloria, a fact that is hidden from her even when Jamie is trapped with others underground, although Gloria's brother Dominic (Stephen Lord) does find out at this time. Karen later realizes Jamie is possibly having an affair, and asks for the help of Gloria and others to find out who it is, worried that perhaps it is her condition causing paranoia. At the end of the episode, she sees Jamie and Gloria together, and realizes who he was having an affair with all along.