Karin Kenklies

Scotland Yard is after a homicidal maniac called The Blue Hand, which is what he uses to kill his victims.

A woman is kidnapped and her identity is stolen by criminals attempting to collect her inheritance.

Helmut Schmidt is an ambitious Interpol inspector. He follows a trail of dangerous drug dealers that leads to Hamburg. With the colleagues there, he decides to infiltrate the gang. The beautiful dancer Arlette helps him.