In 1914, the Mexican revolutionary Pancho Villa invites studios to shoot his actual battles against Porfírio Diaz army to raise funds for financing guns and ammunition. The Mutual Film Corporation, through producer D.W. Griffith, interests for the proposition and sends the filmmaker Frank Thayer to negotiate a contract with Pancho Villa himself.

Royce is a member of the ultra-secret service "Black Hole", working for the US Government on top-secret missions. When the senator responsible for forming Black Hole disbands the organization, Royce's fellow Black Hole members plot revenge on the man responsible for them losing their jobs. Royce decides not to join them, instead deciding to thwart their attempts to exact revenge on the senator.