After years of being trapped in an awkward household after her father's death, 16-year-old Aria Nayak finally gets a breath of fresh air on a vacation on a beautiful cruise ship . . . with her mother. Expecting nothing but a peaceful weekend, Aria finds herself interacting with Aiden Bancroft and Leo Hendrix over a pocket watch that takes them on a trip straight to World War II. Desperate for a way to survive long enough to get the pocket watch back and time travel to their present, Aria, Aiden, and Leo end up having to face the one person they dread the most-Adolf Hitler. Through danger, risks, and lies, Aria, Aiden, and Leo try to figure out how to escape along with discovering what really happened in the warzone.