In Season Four of AMC's top-rated drama, Hell freezes over. Following the brutal winter of 1868, the railroad is at a standstill and restless workers wreak havoc on Cheyenne. Cullen Bohannon is trapped in a fort with a pregnant wife and the Swede. Thomas Durant is broke and Elam Ferguson is presumed dead. The task of uniting America by rail remains undone and the costs and consequences are rising, for everyone.

Cullen Bohannon, a former soldier and slaveholder, follows the track of Union soldiers, who killed his wife. This brings him to the middle of one of the biggest projects in US history, the building of the railroad. After the war years in the 1860s, this connected the east with the still wild west.

Faster-- After ten years in prison, Driver has focused on one thing-- hunting down the people responsible for brutally murdering his brother. Now a free man with a terrifying purpose, he sets out to find and kill all those on his list. But on his heels are two men who will do anything to stop him-- a veteran cop and a hitman who finds his match in this worthy opponent. Now, the hunter is also the hunted. The mechanic-- Arthur Bishop is a "mechanic"--...

The clues in a Jane Doe murder case points one way, yet detective Cassie Mayweather thinks another way. There's something too perfect about the way the forensic evidence leads to an obvious perpetrator - something that ties to Cassie's secret past.

A veteran cop and an egocentric hit man, are on the trail of an ex-con who is determined to avenge the death of his brother that occurred during a bank robbery years ago.