Five Executions In The Streets Of Shanghai

The transcript describes a tense situation in Shanghai, where Chinese Communist armies have isolated the area. There is panic buying and concerns about potential 5th column activities. Local police have sentenced five alleged underground leaders to death, drawing a crowd to witness the event. The video warns viewers about the stark realism of the footage, advising them to close their eyes if they find it difficult to watch.

How are the films described in the text, and what is their significance?

What warning is given to viewers regarding the films?