Intricate and fast-moving spy picture has Harrison as a devil-may-care roue who has a plane accident in which his flying companion is killed in France. He wakes up in Paris and is told about the crash, but he doesn't recall what's happened to him in the 10 days from the plane accident to
the moment he awakens. Turns out that he'd put on his downed pal's clothes; chauffeured a pretty girl, Verne; and gotten involved with spies, Marion and Genn, who are enemies of the English-French Alliance and doing everything to subvert it. There are some secret fortifications and the villains
have the plans and will blow up the redoubts if Harrison and Verne don't get there in ti...