Three years into the zombie apocalypse, a ragtag team of everyday heroes comes together to transport the only known survivor of the zombie virus from Upstate New York to a lab in California, in hopes of using his blood for a vaccine. A zombie baby proves to be an early obstacle, and what they don't know is that their last, best hope for a vaccine is hiding a dark secret that threatens them all.

In New Jersey, the survivors run out of fuel and embark on a dangerous mission to replenish their supply. Meanwhile, Cassandra's past comes back to haunt her.

The survivors make their way through the mean streets of Philadelphia, where they cross paths with a group of psychotic outlaws with ties to one of their own.

What's worse than a zombie? An army of zombies (as in, literally a zombie army). Plus, 10K's mysterious past revealed.

The survivors visit Warren's home town in Central Illinois, but will they find her long missing husband? Oh, yeah - there's also a zombie tornado that leaves everyone in danger.

An encounter with a seeming Utopian enclave and a religious cult results in a game changer when the survivors travel near Branson, Mo.

The survivors struggle to recover from a shocking death; and in Kansas they happen upon a gun show that makes the zombie apocalypse look calm.

As they travel across Nebraska, the group finds themselves trapped in a morgue as a literal zombie tsunami engulfs them; at the same time, Citizen Z gets a visitor who might not be who he seems to be.

Mack attempts to go on a real date with Addy, but ends up stuck in some Groundhog Day-like nightmare.

The survivors square off against radioactive zombies when they arrive in a South Dakota town that's on the brink of nuclear disaster.

The two groups of survivors reunite in Utah, where they come upon an all-female commune that seems like paradise—that is, until someone ends up dead.

Murphy is kidnapped by a group of outlaws trying to crack the "Fort Knox of Oxycontin." As the survivors battle drug-enhanced zombies, a startling discovery is made about Murphy's abilities.

The team is rerouted to a Colorado lab where they hope to find Dr. Merch.

Everyone tries to escape the impending nuclear blast; Citizen Z battles thawed zombies and issues an air bounty for Murphy.

The heroes are reunited, but soon find themselves navigating an unexpected tragedy as they engage in fierce fighting with both zombies and bounty hunters who are eager to capture Murphy, dead or alive. Meanwhile, Vasquez makes a strategic decision.

Murphy is finally tracked down; the Zs are attacked by superfast zombies known as Blasters, and they are introduced to an ultrapotent strain of marijuana called Z-Weed.

The survivors search for a "natural" cure for the virus at a greenhouse that's being guarded by zombie-plant hybrids.

A pregnant Serena tracks down Murphy. The survivors stumble across a hidden Mennonite farm with new dangers.

While Murphy is falling for his baby girl, the rest of the team is suspicious of her; Vasquez sneaks away for a meeting; 10K makes a difficult decision.

While crossing the Mississippi, the team splits up after a boating accident; 10K is drawn into a scam; Escorpion sentences 10K, Sketchy and Skeezy to death.

Murphy is captured by an unbalanced zombie fan, who is eager to add him to a zombie museum, so he must match wits to escape.

The team finds an abandoned Air Force base and discovers what looks like alien technology.

The team splits up because of a massive zombie horde, and encounters a Native American tribe fighting against itself.

The team gets embroiled in corporate politics after finding a group of white collar survivors hiding out in a hotel.

The team meets La Reina, Queen of the Zeros, after being captured. Dr. Kurian is ready for human trials on his Z-vaccine at the Zero compound.

It's discovered that the Z-vaccine doesn't work. Vasquez gets caught trying to kill Escorpion; Murphy uses mental manipulation to help Roberta.

The team reaches California and thinks back to the beginning of the zombie apocalypse.

The team reaches the mobile lab, which turns out to be a submarine. Murphy says goodbye.

In an unseen story from Season 2, the gang must protect a town from a dangerous new enemy.

Warren and gang are taken prisoner; Murphy escapes the sub with his newly formed blends group; both groups head for the same destination.

Warren and team encounter the sole inhabitant of a strange town; Murphy begins a new mission.

More people flock to Murphy's new cult, while the others are stuck in the middle of a war.

A pack of wolves stalks an injured and alone 10k.

Doc finds himself taken captive by a psychotic nurse and her mental patients.

After The Man finds out about Lucy's existence, he attempts to kidnap Murphy. However, he underestimates the strength of Murphy's following.

On the road to find Lucy in Illinois, Doc and Addy are forced off the road by a retro presidential limo. Turns out Sketchy is running for "President of the Apocalypse" with Skeezy as his campaign manager. Doc and Addy follow them to Wall Drug, South Dakota and witness the somehow lucrative, always entertaining train wreck that is Sketchy and Skeezy.

Warren and the others inspect Murphytown and realize they are going to need a bigger army to extract Murphy.

Doc and Addy try to convince Lucy's family to follow them; Murphy tests 10K's allegiance.

Doc tries to find a way to communicate with Warren, but instead encounters something much more menacing.

Warren leads an attack against Murphytown to extract its smug leader.

Addy is being pummeled with whatever The Man can throw at her, and Lucy does the same to The Man.

The gang reunites and faces the biggest battle yet.

Warren's apocalyptic dream of a Black Rainbow sends the group on a mysterious new mission while fighting for their lives against unkillable MAD-Z's.

Driven by Warren's dream of a black rainbow, Warren and Murphy make their way back to the mainland.

When Sun Mei and Red vanish, 10K and the group must decide whether to keep looking for them, or give up and press on to Newmerica.

Following Warren's dream, the team doesn't stop while crossing The Great Pile, a seemingly endless landscape of rubble and destruction.

The team is captured by an Unseen Force and enslaved in an elaborate underground facility, forced by their mysterious captors to perform a series of bizarre, dangerous tasks.

Lucy fights to save Murphy's life; Warren and the others battle a biologically modified Franken-Zombie guarding a clue to Warren's dream.

Shaken by the death of one of the team, something snaps in Murphy, and Warren is unable to stop him and the others from committing an atrocity as misplaced revenge.

Warren and the others encounter a mysterious stranger who they think is a grave robber, but they're something much more.

The group explores an abandoned TV news station and encounters news crew zombies triggering haunting flashbacks from day one.

Doc and our heroes are reunited with Sketchy and Skeezy when they take refuge in a working barber shop full of mysterious characters, one of whom Doc knows but can't remember from where.

Warren's dream leads our heroes back to Mercy Labs. Images in her dream drive her to search for the destroyed complex and find a mysterious cylinder of gas which she compelled to bring along.

Warren and our heroes must stop Zona from launching operation "Black Rainbow".

The secret of Warren's dream is unlocked when they reach their final destination, the "Black Rainbow" facility.

Warren recovers from the drone crash with handsome, mysterious Cooper; Doc and the others finally arrive in Newmerica, where they meet George, who is helping form the new country.

Warren must leave her new life behind and find her way to Newmerica, reuniting with Murphy and the other heroes, while discovering George is an old friend.

10K nearly loses everything as panic and anti-Talker sentiments flare after an explosion derails the vote.

Warren and George search for Lt. Dante, who may be part of an underground network helping Talkers flee human vigilantes.

Pacifica is bombed and the heroes decide to follow the Talker Underground to stop whoever is behind the attacks.

Warren and the others are reunited with Addy in Limbo, an underground casino run by Murphy and his Blends, that shelters Talkers on the run from Altura Militia.

As Doc explains his version of American history to George, Sketchy and Skeezy reenact Doc's stories about the Founding Fathers; Warren and the others go to the bakery that invented bizkits in search of the secret ingredient.

Our heroes arrive in the farming outpost that produces flour for bizkits and find it overrun by zombies.

Doc must spirit walk again to help save the Chief of the Water Keepers and get the water flowing to Newmerica.

Altura militiamen force Talkers to mine a hazardous waste landfill for the secret ingredient to bizkits.

With some help from an outpost of renegade hackers, Warren and George hack Altura's defenses and discover Estes' secret plan.

Warren and the others must free the Talkers being held in Quarantine and prepare to attack Altura.

Our heroes break into Altura in an attempt to bring Pandora and Estes to justice, when Cooper reappears, shocking Warren; there’s something he has to tell her.