A shoot-out on the trail has left Deputy Festus badly wounded and Marshal Matt Dillon with a broken leg. Back in Dodge City, the Cattleman's Bank has been robbed, there are dead bodies in the street, and the bandits have escaped. Marshal Dillon is determined to lead the posse - even though he can barely walk.

But when a killer blizzard strikes, the bandits return to Dodge to ride out the storm. Led by Scar Henry, they take several people hostage, including Miss Kitty. Only Dillon and Festus are willing to take on these gun-slick killers - and right now the wounded men don't even add up to a deputy marshal. But Dillon - crippled and facing impossible odds - swears that if there are any more bodies in the strets of Dodge, Scar Henry will be one of them...