S1, E3: Charlie's death leaves Nathan struggling with unanswerable questions, and rakes up his grief over the death of his son. But it's harvest time and Charlotte needs everyone to pull together to get the harvest in - the farm's future rests on the flowing fields of wheat. Yet when a series of freak occurrences threaten the crop, Peter, a disturbed young villager is blamed; and Nathan must step in. Peter is vulnerable and suffering, hearing voices in his head that demand a blood sacrifice.