A new witness describes Jürgen Becker as a sadistic and unscrupulous seducer who tried to get money in every conceivable way. Anne Bach, together with Thomas Bethge, creates the image of a psychopathic serial killer who, since childhood, has tried to satisfy his experiences of powerlessness on his victims. Thomas Bethge once again looks at Jürgen Becker's farewell letters in search of the secret of his missing sister.