Four men with various motives plan to "make use of" printing plates recently made in Chicago for a South American country's currency.They will try to commit the crime while on the train from Chicago to Los Angeles from which the plates are being shipped. An unexpected injury could "derail" their attempt.

The meek and hard working Lester Pennell, who worked at the Alburn Gallery, was displaying the silver spectre of Louie XIV monarch of France, worth two million dollars. Lester lost his job by being too honest and being a ""doormat"".Lester struck back in order to impress his girlfriend and change his wimpy image,by undermining a complicated and interesting plan to break in and steal the spectre.

When a senile VIP is accidentally locked into an "impenatrable" safe, a "reformed" safe cracker is recruited from State Prison to rescue him. The "Human Can Opener" is not enthusiastic about the offer and, despite his loyal girlfriend, hatches a rescue plan with a twist.