The gang decides to join Ash and Jess at a ballroom dancing class. Nimble on his feet, Stuart quickly becomes teacher's pet, leaving Freddie in a huff, while Violet becomes a hit with the amorous teacher in other ways. After seeking Freddie's advice, Ash decides to take his relationship with Jess to the next level.

Freddie and Stuart fall out, resulting in Stuart moving in with Ash while Violet moves in with Freddie. It is not long before the arrangement starts to drive the new flatmates up the wall, prompting Violet and Ash to come up with a plan to get things back to normal.