This story is an original idea I had a couple summers ago.  It takes place in the urban colony of Dysis.  The city is built atop an ancient underground ruin said to house an ancient and powerful force connected directly to the shadow plane parallel to theirs.  Each citizen can feel this force, known by locals as “the Night” whispering at their conscience, and it is this force that attracted an ambitious upper level family from the neighboring city seeking a means to seize power back home and across the continent.  When they took control, they had the previous rulers killed, but the duke and duchess' daughter, Rosavyre, was spared due to the favor the new regime's son showed towards her.  They tried for months, sending men down into the pit to contain, control, or channel the Night, to no effect other than losing every man that opened his mind to the Night’s voices.  The setting is Victorian in style, with a fantasy flare of some intrigue and the magical touches referenced with the Night.  Clothing, décor, and lighting reflect the ambiance.