See Game of Thrones' Natalie Dormer in new Picnic at Hanging Rock trailer 

The clock is ticking in this exclusive trailer for Amazon’s new limited mystery series 

alum Natalie Dormer as an enigmatic headmistress of an isolated Australian boarding school, the 1900-set drama is about the mysterious disappearance of three schoolgirls on Valentine’s Day, and how the ensuing investigation affects the boarding school, the families, and the surrounding town. The trailer’s 

reminiscent score promises a race against the clock to find these women.

The six-part series, which is based on Joan Lindsay’s cult novel of the same name, also stars Samara Weaving (

) as the three missing women. The rest of the cast includes Lola Bessis (

) served as script producer and establishing writer with writer Alice Addison (