Untimely Designs

The Second World War has begun. Harold Cavill travelled back in time to try to change history to prevent the war in 2040 that caused man's extinction. At first, it was hard to tell if Harold's efforts have even made a real difference at all. But as the war raged in Europe and the Pacific, some dramatic differences in the course of history began to appear. But will the changes that Harold has inspired made humanity's future safer or even less uncertain?