Harbor Springs, a small resort town in northern Michigan that once served as the summer home to The Purple Gang of Detroit, is a town where everyone, even Fire Chief Jason Lange, has a secret. Reluctant to make wedding plans, Kylie Branson, Harbor Springs' only cupcake maker, and her dog again go exploring, this time placing her fiance, Jason Lange, at risk. As Kylie uncovers more tunnels and their forgotten secrets, she finally understands her marriage concerns...but is it too late? Follow Kylie, Jason, Cupcake, and the Harbor gang as they discover another Harbor secret.
