Forty years ago, Katherine St. John disappeared – briefly. Thirty years ago, she enacted a disappearance of another sort, stepping not just away from her music career but across the ocean to the other side of the world.

Yesterday, Rachel Mackenzie's flight touched down in Auckland. She's travelled to New Zealand to interview the reclusive musician Katherine St. John about her first album in nearly thirty years. But strange things are happening at St. John's farm and soon Rachel finds herself caught up in something far larger than the world of music.