When wealthy couple Richard and Angela visit Marion and Alex in their decaying family home, an evening of drunkenness and sexual rivalry turns bloody as the guests fall victim to an unhinged attacker.
Featuring a rare performance from director Bill Douglas (Bill Douglas Trilogy, Comrades), and starring Joanna David and Heather Page (both of whom would go on to work with Douglas in Comrades), this outrageous mix of biting satire and stylish horror recalls the work of otherwise unlikely bedfellows, Lindsay Anderson and Dario Argento.
The stellar cast also includes Nickolas Grace, and features cameos by Fulton MacKay, Michael Medwin and Raymond Huntley.
Presented in both High Definition and Standard Definition
The Insomniac (Rodney Giesler, 1971, 45 mins): a man experiences a night-time world that is part nightmare, part sexual fantasy
Stepping Out (Saxon Logan , 1977, 10 mins): a couple's untraditional early morning ritual is observed in a short drama which originally supported Polanski's The Tenant in UK cinemas
Working Surface: A Short Study (with Actors) in the 'Ways' of a Bourgeois Writer (Saxon Logan, 1979, 15 mins): Bill Douglas plays a writer struggling with a script about two women (Joanna David and Heather Page)
O Lucky Man: Saxon Logan in Conversation (2013, 72 mins): exclusive feature-length interview with the director of Sleepwalker
Extensive illustrated booklet with new essays on all films and complete credits