In this opening episode, teenage witch in training Leith (Linus Lloyd) and his tomboy little sister Cole (Roshaniah Leo'o) are spending their summer holidays at their nanny's house (Geraldine Brophy). The break has only just begun and the siblings are already knocking heads. Things go from bad to worse when Leith accidentally opens a paranormal portal in his wardrobe, unleashing a charming but cheeky poltergeist Sunny (Jenny Mingxi Easton). Paranormal tween series Little Apocalypse follows the misadventures of a teenage witch, as they juggle the demands of young love, ghosts, and a pestering little sister.