Three years have passed since Alec and Eddie began their work at City Defense Force Headquarters, leaving Pete and Carson in charge at New Haven. After receiving a series of cryptic messages from Pete, Alec and Eddie return to New Haven to find Pete and Carson missing and the town full of unrest. In their quest to defend the city, the crew finds themselves in an unexpected hunt for treasure that points them to the most important focus in life. Mystery, adventure, and humor abound in this sequel to The Defense of New Haven, filled with boats and crossbows, tunnels, and treasures, and engaging characters the whole family will enjoy.