Lydia eventually realizes that the hallucinations were exacerbated by wolfsbane , which had been placed in Coach Finstock’s whistle by the Darach (the season's primary antagonist).
The werewolves in the group——begin to suffer from intense, nightmarish hallucinations that drive them toward self-harm and suicide. [S3E6] Motel California
Actor Tyler Posey (Scott McCall) has frequently cited this as his favorite episode of the series because of the intense acting requirements. 🏠 Locations & Map [S3E6] Motel California
Details on how this episode connects to the overarching plan in Season 3. [S3E6] Motel California