Tippy Chan is eleven years old, and she lives in a small town in a very quiet part of New Zealand – the town her Uncle Pike escaped as a teenager, the moment he got a chance. Now Pike is back with his new boyfriend Devon to look after Tippy while her mum is on a Christmas cruise. Tippy can’t get enough of her uncle’s old Nancy Drew books. She wants to be Nancy and is desperate to solve a real mystery. So, when her teacher’s body is found beside Riverstone’s only traffic light, it looks like Tippy’s moment has arrived. She and her minders form The Nancys, a secret detective club. But what starts as a bonding and sightseeing adventure quickly morphs into something far more dangerous. A wrongful arrest, a close call with the murderer, and an intervention from Tippy’s mum all conspire against The Nancys. But regardless of their own safety, and despite the constant distraction of questionable fashion choices in the town that style forgot, The Nancys know only they can stop the killer from striking again. Whatever the cost.