The Nursery Nurse is set in a series of well-run nurseries owned by Roger and Adeline, a couple whose public personas of care and professionalism mask a controlling and often abusive streak. Each nursery is carefully organised — bright classrooms, structured play areas, and a central office that acts as the hub of operations. While children experience safety and guidance, the adults behind the scenes carry complicated histories, loyalties, and unspoken tensions that shape the nursery environment in subtle but powerful ways. Discipline, routines, and emotional guidance define the professional side, but personal dramas quietly ripple through every day.