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.

Feeling unfit, Freddie and Stuart join Ash at his gym, where a young fitness instructor persuades the pair to sign up for an expensive membership. With Freddie and Stuart spending so much time at the gym, Violet and Penelope discover how pleasant their flat can be without the bickering pair in it.

The gang decides to go with Ash and Jess to a ballroom dancing class. Stuart soon becomes teacher's pet, leaving Freddie in a mood. Violet manages to become a hit with the amorous teacher in different ways. Ash decides to take his relationship with Jess to the next level after getting some advice from Freddie.

Finding themselves both single, Violet and Ash consider dating new people, Violet has already met someone on the internet, while Ash's ex Chloe returns. Freddie, meanwhile, feels under pressure from Stuart to land a new acting role.

After Freddie and Stuart have a falling out, Stuart moves in with Ash and Violet moves in with Freddie.

A celebration sees the the whole group being brought together but things do not go accordingly to plan.

The series finale charts a year in the life of Freddie and Stuart, who enjoy their inheritance and a birthday. Violet, meanwhile, moves on from her divorce; and Ash has big news.