Armor Films Inc.

A film producer murders his star actress during an erotic "game" and makes it look like suicide. The dead girl's lesbian lover discovers what happened, and plots her revenge.

A man investigates the grisly crimes that occurred in a former insane asylum, unsettling the locals who all seem to have something to hide.

The planet is filled with dust and particles of all kinds, natural or originated by man. Such a state of things has of course a great many consequences for public health, with diseases like silicosis, inherent in various human activities, some of which are detailed (farming, notably the treatment of flax; industrial activity, particularly porcelain and cement work, coal mining).