Marion Gerth

Boat building father and son join the river patrol service and get caught-up in a spy ring.

An overheard conversation leads to clues that a kidnapping plot is afoot.

German silent film

Two teenage gang members are forced to be page boys at a hotel where a criminal gang are operating.

"A woman arrives terribly late for a date with her husband in a small café. He has given up, so – as bad luck would have it – the two pass each...