Where to watch Big Sky

Streaming, rental & purchase options in the US — plus where Big Sky fits across media.

Private detective Cassie Dewell partners with ex-cop Jenny Hoyt on a search for two sisters who have been kidnapped by a truck driver on a remote highway in Montana. When they discover that these are not the only girls who have disappeared in the area, they must race against the clock to stop the perpetrator before another woman is taken.