When Jake Green returns to his Kansas small-town home Jericho, where his dad Johnston is mayor, everyone is preoccupied with petty private business and family matters, but that changes drastically after a completely unexpected explosion. It soon becomes clear there has been a nuclear attack, but neither by whom nor on which scale. Suddenly life in Jericho, and as the inhabitants gradually discover all over the disintegrating USA, becomes a more primordial struggle for survival, where unexperienced dangers, primitive as well as technological, have to be weighed against pressing primal needs, such as food, fuel and self-defense against plunderers, invaders and even each-other. Jake, whose private story like that of other main characters slowly becomes disclosed to us, proves extremely resourceful and a smart hero, while his father's mayoral authority and even that of the only available medical professionals is soon challenged and undermined, criminal potentials are tapped into by circumstances and good people must rise to the daunting occasion assertively or perish. Even when contact is made with neighboring surviving towns, desperate rivalry soon cancels out solidarity.
Jake and Hawkins have one chance to expose the conspiracy behind the Cheyenne government to the independent Texas administration. However, getting there proves to be the most difficult part of their plan.
Following the Rangers' decision to take justice into their own hands, Major Beck goes to extreme measures to prove he's in complete control of the town, while Hawkins receives a call from Chavez telling him that it's time to transport the bomb.
The fallout from the nuclear blast in Denver will hit Jericho in an hour and Jake has to get the residents inside. The official shelter is not adequate and Jake must find another shelter to protect them. Emily faces troubles of her own while being picked up by who she thinks are two officers.
The battle with New Bern ensues, with Jericho residents out-manned and out-gunned, but not outsmarted. Jericho gains the upper hand but suffers a significant casualty. A friend of Jake's sends help from an unexpected source.
Jake and the Rangers take on Goetz and Ravenwood while a Jericho Ranger makes a choice that will alter his life. Meanwhile, an old friend comes to warn Heather that her loyalties to Major Beck have placed her in serious danger.
After April collapses and goes into early labor, Jake makes Kenchy face his problems so that they can save April. The wind turbine arrives from New Bern but Heather does not return. Jericho makes a deal with New Bern to send ten of their people to New Bern to make more wind turbines as long as New Bern receives a percentage of their spring crop.
Roger gets desperate after Gray kicks the refugees out of Jericho. Dale and Skylar collect on some debts. Hawkins continues his quest to find Sarah's contacts. Meanwhile, Hawkins begins the process of finding who's coming after him.
The children of Jericho start to return back to school. A power line that has fallen causes an accident on the playground when the power returns. Jake has an argument with his mother regarding a secret that Jake hasn't disclosed to his dad.
The residents of Jericho receive a visit from a group of questionable outsiders and they realize that they need to form a plan to keep the outsiders out. Emily has a dream about her wedding morning to Roger. She wakes up and realizes that he is probably dead.
Following the battle of New Bern, Jericho begins the rebuilding process, while the Cheyenne government shows a particular interest in the town. While the dispute between Jericho and New Bern is being sorted out by the Cheyenne government, Heather returns. Meanwhile, an old friend of Rob comes to Jericho.
The lives of Jake and Hawkins are explored during this flashback episode. This episode begins 36 hours before the bombs went off. Sarah is introduced and is associated to Hawkins. Jake had been living in San Diego.
After seeing a broadcast via satellite from Asia, Jake gathers a group of people together for information gathering. After finding out that there is information out there, Jake suggests having four search parties to go out to get a better understanding what is going on outside of Jericho. The search parties set off in four different directions.Watch Now:AmazoniTunes
Hawkins must step in when an argument between Jake and an adversary becomes heated. After an electromagnetic pulse leaves Jericho in the dark crime runs rampant. Later, Jake is held at gunpoint and is rescued.
Jake and Eric head out of Jericho to the nearby town of Rogue River to try and acquire some medicine for their father. While the brothers are at the hospital they encounter a combative group of individuals who call themselves Ravenwood. The brothers find that they’re trapped and must find a way back to Jericho.