Violet panics when her wealthy sister Lillian - whom she has not seen in years - announces a visit. Worried that Lillian will discover the truth about her circumstances, Violet and friends set in motion an elaborate plan to save her from humiliation. Meanwhile, Ash is keen to introduce the group to his new girlfriend, Jess - but he is in for a surprise.

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.