In the aftermath of the bison stampede, the Abbott family is more fractured than ever. Royal and Cecilia confront some difficult truths as they fight to keep their family together.

Perry seeks help from an unexpected family member. The Tillersons promise revenge against the Abbotts, while Royal contends with a new threat to the West Pasture.

Royal and Cecelia become desperate in their attempt to save their ranch. The Tillerson's are dealt with a startling turn of events.

Lost in time with no way home, Sheriff Joy must navigate a new life among her Shoshone ancestors.

Royal rediscovers an unlikely ally; Cecilia grapples with the possibility of Autumn's identity as Autumn becomes increasingly unhinged.

Autumn's erratic behavior reaches a fever pitch. Royal and Cecilia take matters into their own hands.

Time is a motherf**ker.