Freddie Francis directed this psychological suspense thriller that stars Jennie Linden as a young woman named Janet sent home from her boarding school after repeatedly waking up screaming from nightmares where she sees her mother stab her father to death, which really happened. Her guardian Henry(played by David Knight) and nurse Grace(played by Moira Redmond) try to help her, but Janet ends up in the asylum like her mother, though as it turns out, she is betrayed by those she trusted in an elaborate plot, which in turn boomerangs on them... Marginal film has effective direction and performances, but an overly complicated plot that ultimately doesn't ring true.