Hannah and Dan's beloved drama teacher Mr Balcombe has died and Dan and Hannah have mixed emotions about the funeral.

Dan and Hannah are back at their old school. Hannah has been asked to make a speech in front of sixth formers attending a careers day, whilst Dan just fancies a snoop down memory lane.

Dan has finally booked himself in for an appointment at the STI clinic. There, under examination, he meets funny and free-spirited doctor Izzy.

When her boss is replaced, Hannah realises she'll to have to find a way to keep the status quo.

Hannah's best friend from university arrives home from travelling, now with a fiancé in tow — charming vet, Rich. He offers Dan a job at his practice, but Hannah can't stand him.

When Dan and Hannah's neighbour asks them to look after the exotic fish in his flat for a few days. What could possibly go wrong?