It was adapted for television by the ABC in 1968, directed by John Croyston, and broadcast as part of the Seek and Destroy series.
When the Mother Superior dies, Sister Catherine, who was in charge of the convent infirmary and drugs, comes under suspicion.
[10] Croyston decided to film the action all in one take "to enable the cast to hold the edge of emotional distraction".
[11] The Sydney Morning Herald called the production "a victory for the local industry".
"[13] It was also adapted for television by the BBC in England as A Swallow's Nest in 1968.