A Time To Remember

In a state of grief after the death of his young brother a boy finds a time machine in his basement, not knowing where it came from or how it got there he ends up going back into the 1900s in the Holocaust era and is captured and sent to the horriffic and inuhame camps, but during this journey he meets and befriends a young girl, who has a dark secret of her own. What could she possibly be hiding? Will this affect their Alex for better or for worse? How will he get back home?