Alan strang peter firth is a troubled teenager who suffers from an uncontrollable urge to blind horses. In court, facing prosecution for his actions, psychiatrist dr martin dysart richard burton attempts to unravel the root causes of alan's pathologic affliction.adapted by peter shaffer from his own landmark, tony winning play, equus is a gripping psychological thriller exploring how corrupted ideals can lead to grave consequences.special featuresto be confirmedfirst pressing only fully illustrated booklet with new essays