|Season 2, Episode 12|
|Air date||22 November 2013|
|Written by||Ysabelle Dean; Kerry Greenwood (novel)|
|Directed by||Tony Tilse|
|Dead Air||Murder Under The Mistletoe|
Unnatural Habits is the twelfth episode of the second season of Miss Fisher's Murder Mysteries and is based on the book of the same name by Kerry Greenwood.
Dot and Hugh find a body floating in the river. On the corpse of the girl is found a scapular of Lady of Mt Carmel, leading the investigation at Magdalen laundry where Phryne also sends to wash her clothing. Investigations into the laundry run by an icy and bigoted Catholic woman who behaves badly to the girls, especially if pregnant out of wedlock, brings Phryne and Jack to discover a human trafficking ring.