When his sister is arrested in Denmark for murder, American cop Mike Brent aids Danish police with the case and stumbles upon a currency counterfeiting ring.

American policeman Mike Brent (John Payne) arrives in Denmark to help clear his sister of a murder rap in which her partner/boyfriend has been killed, and all the evidence leads to her having been the murderer. Mike works with the Danish Police, but becomes embroiled in a counterfeiters' plot in which the boyfriend was a member...—Becie