The Bride of Annwn

At midnight, a bride enters a Manhattan bar. She's invisible to all except Tristan McGrath, whom she approaches and asks why he abandoned her at the altar. He's never seen her before, but feels a powerful connection between them. Before he can sort this out, however, two sinister, supernatural figures attack them. Tristan and the bride fight them off and flee, but once outside, a strange, unseen force drags the bride down into the depths of the subway. Tristan follows her down below. He finds only a dying homeless man with a magic belt that's somehow related to this mystery, and a portal that leads into a world that seems just like our own, but is rich with the stuff of faerie tales, both the wondrous and the horrific. There he discovers a terrible danger that threatens not just this other world, but our own