Ria Jende

James Mistoll, one of the owners of a factory, and working on a process to turn copper ore into radium, falls from a window on the fourth floor and dies; This was no accident, but a murder. A detective sends his assistant, Barnes, to investigate and soon the number of suspects from within the company multiplies.

Andreas Rellnow decides to leave his troubled parents and pursue an artistic career. As a violin virtuoso, he quickly became popular and a first-class heart-breaker.

Silent film about Darwin's evolution theory

A detective falls for a Japanese girl living with her uncle and cousin. When the girl's uncle is murdered, the detective must find out who killed him.