The Secret of Mirror Bay

In 'The Secret of Mirror Bay', Nancy Drew and her friends go on a trip to Upstate New York where they face a mysterious woman who resembles Nancy and a rumored treasure in Mirror Bay. Aunt Eloise Drew invites them to Mirror Bay Bide-a-Wee cabin near Cooperstown, where Nancy becomes entangled in a vacation hoax and nearly faces arrest. While exploring the nearby mountain, they encounter a luminous green sorcerer who threatens them. Through a series of dangerous events, solving one mystery leads to uncovering a hidden criminal operation.