Theo and Gracie are threatened by dark evil of the Hitler regime. With the help of the Watch, a secret society, the teens and their robot dog plan to leave Germany. They are smuggled into a castle where they discover their friend and guardian has been kidnapped. While Theo is trying to recreate twenty-first-century technology in 1930s Germany, a shocking discovery leads Gracie through a gypsy camp and into a living nightmare of an experimental house of horrors. A novel of action driven by actual history, Vigilatus ends on American soil in one of the most devastating disasters of the twentieth century. Vigilatus will take the reader back with Theo as he struggles to relive the horrors of Nazi Germany but realizes rewriting history would rewrite his world of the future.