When three Oxford historians become unexpectedly trapped in 1940, they struggle not only to find their way home but to survive as Hitler's bombers attempt to pummel London into submission. Meanwhile, in 2060 Oxford, the historians' supervisor and seventeen-year-old Colin Templer are engaged in a frantic and seemingly impossible struggle to find them.

When three Oxford historians become unexpectedly trapped in 1940, they struggle not only to find their way home but to survive as Hitler's bombers attempt to pummel London into submission. Meanwhile, in 2060 Oxford, the historians' supervisor and seventeen-year-old Colin Templer are engaged in a frantic and seemingly impossible struggle to find them.