Marcella stars in a television advert. At a session with her life coach, student Frances cross-examines Marcella about what she will do with her earnings from the advert. Meanwhile, Marcella celebrates her good luck with margaritas forgetting she has signed up for a creative writing class

In the final episode, Jon invites Marcella to the art exhibition he is taking part in, where she finds out something which throws all her future plans into question. Marcella spends time with her friends Caroline, Lucy, her brother Billy, and her ex Simon, and realises that if life took her elsewhere she would miss them all.