An RSPCA officer is horrified when he discovers a pet shop owner has been conducting experiments on a wolf, searching for proof of lycanthropy. Created as an episode of Nigel Kneale’s “Beasts” horror anthology miniseries.

Beasts is a series of six television plays by Manx writer Nigel Kneale, unconnected but for a bestial horror theme, made by ATV for ITV in the United Kingdom and broadcast in 1976.