Horror?

CRUCIBLE OF HORROR-1971-Michael Gough is Walter Eastwood, the sadistic father of a dysfunctional family who whips his teenage daughter Jane (Sharon Gurney), who he obviously has perverted feelings for), when she steals some money from their country club. His son Rupert (Simon Gough and real life son of Michael) seems to be a carbon copy of him and his wife Edith (Yvonne Mitchell) suffers mental anguish caused by him. One night Edith says to Jane “Let's kill him!”. When he goes away alone for a weekend of hunting Edith and Jane decide to put their plan into operation. They threaten him at gunpoint and drug his booze. When he’s unconscious Edith force feeds him more drugs. Jane is rather disgusted by this but the she remembers all the bad things her father did to her (shown in snippets). They plan it to look like a suicide but 2 scenes seem to say that Gough is still alive. Back home mom and daughter wait for a call. Edith has a weird psychedelic dream. Later when they don't hear anything from the country house they go back there and find their victim’s body has been moved to a large crate! They get rid of the crate and go home. Dad shows up to terrorize them. The next day he’s alive, his usual slimy self with Edith and Jane looking worse than ever. 

Seems the screenwriter Olaf Pooley wanted to be the Harold Pinter of horror...

I don.t pretend to understand what the hell the ending was suppose to represent. It may have been a prank instigated by Walter. Early in the story he has a mask that resembles his face and a shot of him hanging near the end is clearly a dummy. Was this intentional? Director Viktors Ritelis did mainly TV episodes before and after this.

Thanks for reading