Penny threatens to cancel Miranda’s Christmas unless she attempts to sort her life out. She makes her go into detox. Stevie has a new executive job and Miranda decides to try and get an office job as well but it all ends up proving too much.
Penny manages to embarrass her daughter after she decides to run for local councillor with Tilly supporting her. Gary decides to join the dating scene and Miranda decides she has to do the same. They both attempt to find dates for Stevie’s birthday party.
Miranda attempts to prove to herself and her friends that she can officially be an adult. She starts by looking after a toddler, but ends up getting stuck inside a kids' tunnel. When she attempts to host a dinner party for eight, it ends in complete chaos.
Miranda has been looking for her sick mother for five long days. Being stuck inside her flat being ordered around by her mother, Miranda is forced to think about her life regrets. After she ends up becoming ill as well, Tilly, Gary and Stevie offer no sympathy or help at all.
Gary is getting ready for the reopening of the restaurant, and seeing him in his best chef whites leaves Miranda all agog as he he has never looked so good. Stevie's advice is simple as she advises her to tell him how she feels before it's too late.
Miranda comes to a big life decision as she decides to go travelling. She’s leaving and this time she says it's for good. Stevie is upset and her mother is too wrapped up in renewing her wedding vows to notice. It looks like Gary is the only person who can stop her from leaving.