Katie‘s working relationship with her boss Jack starts to feel too familiar. When Richard moves in with Trudi, she finds a bank statement with a mystery $3,000 withdrawn. At work, Siobhan discovers that her new client is someone she’s been intimate with. Siobhan and Hari decide to go to see a sex therapist. Jessica and Mark find Simon asleep on the sofa at work – his business is in trouble. Jessica and Siobhan’s sex lives begin to overlap.