The Vice of Humanity (German: Laster der Menschheit) is a 1927 German silent drama film directed by Rudolf Meinert and starring Asta Nielsen, Werner Krauss and Alfred Abel.

Her manager Mangol, who also acts as their coke supplier, goes in and out of her house and uses it as his drug transshipment point.

In order to spare his daughter's greater suffering, Mangol tells them both that their mother had died.

When her daughter sits in the audience for one evening, she becomes a great admirer of Tamara's singing skills.

For Mangol, the young girl is nothing more than another potential customer whom he wants addicted to cocaine, but Tamara is on guard, and won't let it happen.