The Return of Brother Twelve

A young man has come under the influence of a fake Evangelist. P.I. Bill Nelson is hired to save him. The criminal calls himself Brother Twelve. He is also a Russian spy. An Israeli citizen is among the disciples. The Mossad sends an agent to assist Bill. The Russians kill this agent. The leader flees when the police move in.

Bill receives a call from Lena Ekenstamm in Sweden. She asks Bill to come and help find her husband. In Sweden, Bill discovers that his old nemesis, Brother Twelve, is there as well. While surveilling a farm, the spy captures Bill. After escaping death in a mine, Bill rescues Lena's husband, Count Karl-Erick af Ekenstamm.

The spy is now posing as a scientist. Two acquaintances of the Count run the company. When confronted by The Count, one of them kills his partner and then commits suicide. The spy escapes.  

An acquaintance of  Max Altman discovers that the criminal is in Oregon. This time, Max will come with Bill to this American State. The Russian has also defrauded a Saudi businessman, who now sends a killer squad after the crook. While surveilling the Russian estate, Bill and Max witness the assassins murder the spy's lady friend. The Mossad sends two agents to assist Bill and Max. During a shootout, two Russians again try to escape. This time, the Arab assassins kill the driver and severely wound the master spy.