It's Marcella's birthday, and she's determined to turn over a new leaf... but, after a run-in with a school nemesis and one Sambuca too many, among other things, her fresh start doesn't go as planned
A boozy night has some disastrous consequences for Marcella - including a ruined children's party, a lot of missed calls from her ex-boyfriend and an unwanted house-guest who's never seen Friends
Marcella's ex-boyfriend Simon re-enters her life with some startling news so - to clear her head - she embarks on a gung-ho camping trip
Marcella's brother Billy comes out of rehab and the squabbles start up again. And finally Marcella has an audition, but the acting role requires her to cry.
Marcella's thrilled to get a film role but her delight is short-lived when she accidentally gives the lead actress a meltdown and filming stops for the day
Marcella needs to tell her family about Billy's drug problems, but she's finding it hard to deal with, and she's finally ready to admit her feelings to Jon
In the series finale, a hung-over Marcella faces a date with Jon