Marcella takes her driving test and goes on a date with her driving instructor Jon. She witnesses flatmate Caroline calling boyfriend Mark a filthy rat during sex and finds her ex, Simon, in a compromising position.
Marcella deals with the fallout of her date with Jon. She confronts Simon about his wife's behaviour. And after a life coach session, she decides to visits her agent Pam.
Marcella stars in a TV advert and spends some of the money on joining a writing class. Unfortunately she has a huge hangover from a night out with the girls.
Marcella is sober and turning things around. She receives word from Tom about their writing project. At Jon's art exhibition she discovers some even more surprising news.
