All is not well in the little town of Ballystrange. Peter continues to be upset that his wife Maeve has no supernatural powers; Sergeant Crowley is deeply anguished by yet another strange death, while Dr. Winterman strives to cover it up; Simon the skinhead arrives to avenge the death of punk rocker friends; Dulska, the merrow, longs to be back at sea amongst the seals - but most worrisome of all, Deirdra the Demon Slayer arrives to rid the town of it's ancient curse. And she has only one way on her mind...