It's time for Josh's bi-annual drink with Pete, aka. the depressed potato, aka. the most boring friend in Britain. Unfortunately for Josh, this drink ends up leading to a longer-term commitment.Meanwhile, Kate's friend Sophie comes to stay and reveals herself to be an incorrigible pranker.

At a university reunion, Josh bumps into therapist Abby who believes he is infatuated with her. Kate meets an old lecturer who offers to help with her ailing photography career.

Josh's new girlfriend, Millie, takes him to a high-ropes course for a date. However, when Josh gets stuck on a zip wire, things spiral out of his control, and he ends up accidentally going viral on the internet. Luckily, landlord Geoff has been doing a night course in psychotherapy and can help Josh through this dark period.Meanwhile, Kate and her mum, Judith, attend a new production from an immersive theatre company set inside a failing business. With the help of a hipflask, the pair truly immerse themselves.Owen finally gets round to taking his driving test, but when he meets the examiner, Huw, his chances don't look promising.