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.

Marcella atones for her drunken behaviour at Billy's party by giving up drinking alcohol. She visits Jon to apologise, but he has a guest there and does not invite her in. Later, Marcella goes to stay at Simon's grandmother's country cottage, where she receives a surprise visitor.

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

With her friends all seemingly moving forward with their lives and relationships, Marcella begins to feel like she is being left behind, and she decides to open up to her life coach about her feelings. However, her luck is about to change when she gets news of a big audition. Meanwhile, Marcella's parents have something to tell her and Billy.

Marcella deals with the fallout of her date with Jon. She meets Simon and confronts him about his wife's behaviour. Her life coach talks to her about her lack of work so she visits her agent, Pam. Marcella and Lucy are meant to be going to an awards ceremony where Cal has won an award for her work but they are worried...and is Jon ever going to call her back?

Marcella takes her driving test and goes on a date with her driving instructor Jon, while Linda tells her neighbour she is being followed. She also continues her life-coaching sessions with her therapist and his student, visits her mum and finds her ex Simon in a compromising position