Complex sentence: She survives what the local hospital thinks was an attack by a large rabid wolf; however, she insists that it was not a true wolf, but instead something supernatural, and she seeks Ian's help after her survival of the werewolf attack on the Moors.
Split into simpler sentences: She survives what the local hospital thinks was an attack by a large rabid wolf. She insists it wasn't a wolf, but something supernatural seeks Ian's help after surviving a werewolf attack on the Moors.