Lauren is approached by Fiona, the wife of upcoming politician Terence O'Neil, to seduce her husband. Gleaning Fiona's motivation is to control her husband, Lauren's curiosity gets the better of her and she accepts the job. Mel receives a visit from Tippi's mum, who forces her to question her role in Tippi's life. Josh leaves on tour with his band, and Chloe has a very enjoyable session with Bill who surprisingly doesn't want sex.

While Mel's life seems to be unraveling, the arrival of her mother, Gillian, only adds to her distress. When Gillian discovers Sean is now on the game, she offers him money to start a new career — something she never did for Mel. Lauren's job with Terence is becoming increasingly complicated, while Heather meets a married couple — Jack and Eloise — who want a threesome. It's the first time Heather's ever been paid to have sex with a woman.