In 1934, horror writer H.P. Lovecraft is invited to write a story for a subversive underground magazine, all on the condition that a pseudonym will be used. The pay is lofty, and God knows, Lovecraft needs the money.

There's just one catch.

It has to be a pornographic story . . .

All Aboard Trolley No. 1852

Through the midnight bowels of New York City, the trolley travels. Admitting only a special sort of passenger, and taking them to a very select destination . . .

The 1852 Club is a bordello unlike any other. Its women are the most beautiful in the whole city and they will do anything. But there is something else going on at this sex club. In the back rooms monsters are performing vile acts on each other and doors to other dimensions are opening . . .