Once regarded as one of the nation’s leading schools, grand old St Jude’s School for Girls finds itself on the brink of collapse after a number of public scandals damage its reputation.

Rosie Gladshaw – a dynamic and successful educator in her 40s – is appointed principal to lead the school into a bright new future. However, when Rosie comes face to face with the nuns and old girls who rigorously guard the school’s traditions, she soon discovers that her new role is much more than she signed up for.

Rosie uncovers a web of secrets, abuse and illicit affairs – and a murder which must be solved. But will Rosie be the whistle-blower, even if it puts her and family in danger?