Big Sky (Seasons 1–3)

Big Sky (2020) is an American crime drama series you can watch online on iFILM. Set against the open country of Montana, the ABC show follows private investigator Cassie Dewell (Katheryn Winnick) and former cop Jenny Hoyt (Kylie Bunbury) as they track a truck driver who abducted two sisters on a desolate highway.

When they dig deeper, it becomes clear these women are not the only ones who vanished in the area. Cassie and Jenny barely get along — but the clock is running out. The show leans hard into the mood of isolation: flat roads, small towns, and locals who know more than they say. Jensen Ackles and John Carroll Lynch round out a strong ensemble cast.

Multiple seasons followed the 2020 premiere, each bringing fresh cases and new threats. Stream every season of Big Sky online on iFILM.