Robert Kent

Walter Calvert (Davison Clark) calls upon his brother Henry (Davison Clark) at his eerie old house and demands a share of the family fortune, and threatens to kill Henry if he doesn't get it. A few days later Henry's car goes over a cliff and he is presumed dead. Bob Stewart (Robert Kent, a detective whom Henry asked to investigate ...

A mad scientist attempts to rule the world by creating various elaborate inventions.