The series follows longtime friends Saoirse, Robyn and Dara, who are now in their late 30s. According to character descriptions, Saoirse is a “successful writer with a compulsion to hit the self-destruct button,” Robyn is a “sweary, stressed out mother of three young boys” and Dara is the “full-time carer of an elderly parent, who hasn’t managed to move out of her teenage bedroom.”