All hail the finale of the hard-drinking/slacking/twerking monstrosity that never fails to bring the laughs. The girls are going out on a high with Meg proving as useful as ever when she has to act like a grownup and organise Grandma Primrose's funeral. Laura is on a final warning at work, so taking a sicky would be inadvisable. But when beautifully workshy Bunny stumbles across some Glastonbury tickets, the gang are faced with a dilemma.