Tony Dayne's predicament presents a problem. The English police had promised him escape and immunity for feeding them all he knew about his partners in an international counterfeiting ring.

But an accident and an over-zealous policeman gets Tony pulled during the raid. The best the police can do for him is appoint a young lawyer, Roger Elwin, who does some detecting that takes him as far afield as Vienna and the violent end of yet another conspirator.