When Devlin Macky stole the Silver Bluebell from the Natural History Museum, he got far more than he bargained for.

Mordred Haddonfield wasn't the most benevolent employer. The man was evil. Macky knew that, but he also needed the money.

But the Bluebell was more than a priceless artifact. It was a summoning device, and Haddonfield wanted to use it to resurrect a cosmic, ancient evil - buried for more than two thousand years.

Dagon . . .