'Big Little Lies' intertwines the lives of three women, each with their own secrets and troubles, in the idyllic seaside town of Pirriwee. Madeline, witty and unforgiving; Celeste, stunning but struggling with the costs of perfection; and young single mother Jane, saddled by a mysterious past. Their children's schoolyard incident spirals into a full-blown scandal, exposing the underbelly of apparent suburban bliss and escalating to a catastrophic climax. Moriarty masterfully reveals how the most seemingly trivial lies can become deadly.