Ash has spent the last thirty years avoiding responsibility, maturity, and the terrors of the Evil Dead until a Deadite plague threatens to destroy all of mankind and Ash becomes mankind's only hope.
After 30 years, the Deadites track down Ash, the man who thwarted their efforts to consume the world in evil. Now they're back... and an aging Ash discovers that he must rise to the challenge whether he wants to or not.
Kelly goes to help her father and takes the Necronomicon with her, forcing Ash and Pablo to pursue. However, Roper arrives to give Ash his severance package... permanently. Meanwhile, Amanda continues her investigation into the forces responsible for Carson's death.
A mysterious woman finds the destruction at Kelly’s parents’ farm. Meanwhile, Ash, Pablo and Kelly reach Books from Beyond with the Necronomicon and Fisher finds herself in another terrifying, inexplicable situation.
Ruby helps Fisher and reveals her family’s connection to the Evil Dead. Ash and team follow a clue from the demon Eligos, but Kelly pays a price.
Kelly’s current state puts others in jeopardy. This forces Pablo to make a brave move and Ash to reveal a new side to his character. Ruby and Fisher join forces in pursuit of Ash.
Thanks to his drug-induced vision, Ash knows what to do with the Necronomicon. Pablo and Kelly notice something ominous. Ash promises to visit Lem, but Fisher shows up for an almighty showdown with her former boss.
Ash, Pablo, and Kelly—now joined by Fisher—arrive at the survivalist camp in the midst of chaos and must go to extreme measures to escape. Meanwhile, more is revealed of Ruby's mission.
Ash attempts to bury the book to end the Evil, but first he must contend with other, more physical things from his past. Fisher faces a horrific change in Ash.
Ash battles someone all too familiar, and later hears a message from the Necronomicon. Meanwhile, the deadliest Deadite attacks.