From the official plot description: At the dawn of their adolescence, on the eve of the summer solstice, four young girls–Helena, Leonie, Niamh, and Elle–took the oath to join Her Majesty’s Royal Coven, established by Queen Elizabeth I as a covert government department. Now, decades later, the witch community is still reeling from a civil war and Helena is now the reigning High Priestess of the organization. Yet Helena is the only one of her friend group still enmeshed in the stale bureaucracy of HMRC. […]