From Konami: In Time Ace, players assume the role of Dr. Hugo Clock, a peace-loving scientist who has invented a time machine with the intention of preventing World War I from happening. Before he can act on his altruistic plan, the time machine is stolen by his meddling assistant, Klaus Scythe, who begins to unleash an assault on the world using powerful weaponry stolen from the future. As the only other person who knows of the time machine’s existence, Dr. Clock must take to the skies and travel through time to put an end to Scythe’s scheme once and for all.