Harper Jensen just wanted to continue her idyllic childhood riding horses on a farm and dreaming of becoming an actress. Unfortunately, Life doesn't follow a script and when she moves to New York City, she needs to become an amateur archaeologist, historian, and sleuth in order to save her mother's life. Follow her and her new-found friends who formed The Central Park Irregulars- Eli, Addie, Zara, and Gabriel as they follow the clues among the famous landmarks of Central Park to solve the mystery of the stolen Death Mask of Tylos.