He counted sixteen submerged heads, all apart, all with only the barest strand of skin on display, all with a single eye left exposed to the sun.
-- Narrator (Chapter 1)

Importance: Early one morning, a farmer calls Alec, a police investigator, to his farm to look at a strange phenomenon in his field. Someone has buried the decapitated heads of 16 horses in one of the freshly tilled fields. The farmer does not know whose horses they are and was not boarding any horses on his property.

They tried making it a couple of hours before we’d even spoken to them. We hadn’t even told them where the horses had been found, but still, they knew … they mentioned Well Farm in their call. It’s all in the transcript.
-- George (Part 1: Chapter 18)

Importance: George directs Alec to go and question Charles and Louise Elton, the owners of a riding school and boarding stable. They have attracted the...