Five years had passed since Frederick had seen the mysterious figure in the park. Five years of peace, of building a life with Ivy and their children, of advancing medical research and developing new cures for diseases that had plagued humanity for centuries. The formula had saved hundreds of thousands of lives across the globe, and Frederick had become one of the most celebrated scientists of his generation.
But peace, Frederick had learned, was often just the calm before a new storm.
He was in his laboratory when Detective Morrison called with news that made Frederick's blood run cold. A body had been discovered in a warehouse near the docks, and the body had been identified as Dr. Marcus Mitchell, a researcher who had worked at Frederick's facility for the past two years. Marcus Mitch
