Picnic at Hanging Rock - Season 1 - Episode 5
French governess, Mademoiselle, is growing increasingly suspicious of Mrs Appleyard's erratic behavior, and fears the worst when she is told that Sara was unexpectedly collected by her guardian, unseen by any other staff. As Mademoiselle searches for answers, the Sergeant travels to Melbourne to seek a last interview with Irma, and a secret vow made by the missing girls is revealed.
About Picnic at Hanging Rock

Title: Picnic at Hanging Rock
First Air Date: 2018-05-06
Last Air Date: 2018-06-10
Status: Ended
Rating: 5.9/10 (from 60 votes)
Language: EN
Seasons: 2
Total Episodes: 6
Network: showcase
Genres: Drama, Mystery
Production Companies: Screen Australia, Fremantle Australia
Synopsis
Valentine's Day, 1900. Three schoolgirls and their governess mysteriously disappear in Hanging Rock, Australia, without a trace.
Cast

Natalie Dormer
Mrs. Hester Appleyard

Lily Sullivan
Miranda Reid

Samara Weaving
Irma Leopold

Madeleine Madden
Marion Quade

Inez Curro
Sara Waybourne

Lola Bessis
Mademoiselle Dianne de Poitiers

Yael Stone
Dora Lumley

Harrison Gilbertson
The Hon. Michael Fitzhubert

James Hoare
Albert Crundall

Anna McGahan
Greta McCraw