TREPID is a fitting end to many storylines within the Tenebra "Main Set". It takes place within the 1990s with a massive explosion of serial killings left and right. A world thrown into chaos behind a nightmare that has been plaguing the world for quite some time now. Heather, broken and beaten by the loss of her twin children, struggles to survive in this unforgiving world. But no matter how much she hides or runs, her past still found her anyway. And the horror yet again, continues...