At Baytree Primary, it's the adults who are behaving like children.
Lizzie, Megan and Sam don't play by the rules. Lizzie is a part-time midwife with four kids and a secret past. Sam is a stay-at-home dad whose marriage is on the brink. Megan is a former model with a son, a thriving business and no time for loneliness. None of them are very interested in the world of school concerts and working bees ... until the day the lollipop man dies and ruins everything ...