Hoping to make enough money to build a dream home in Mexico, Garrett Rodriguez leaves his beachside community in San Diego to work on a marijuana farm in remote Humboldt County. A vast, rural area with a long history of outlaws and criminal activity, Humboldt is a mysterious beacon for lost souls, a world where people disappear and are rarely found again. Garrett takes work on a farm located in a place known ominously as Murder Mountain, a secretive area with a bloody history populated by isolationists and black-market cannabis growers. As marijuana legalization looms, cannabis growers bring in their last illegal harvest of weed as they wonder what going legit will mean for them and their culture.

When Garrett’s family and friends realize he has vanished on Murder Mountain, they ask the local sheriff’s department for help, but are told there is nothing to be done. Frustrated, they hire a local private investigator, Chris Cook, to find answers. As Garrett’s mystery deepens, we dive into the history of Humboldt County’s outlaw culture. The area’s Original Growers (OG’s) explain how the county went from a peaceful haven of marijuana-growing hippies in the 60’s to a place ridden with greed and violence. The passage of Prop 64, now legalizing marijuana in California, promises to clean up the crime. But new regulations are taking a toll on local cannabis growers who want to go legal, driving many of them out of business or back into the black market.

Val and Chris Cook grow desperate in the face of a culture of silence that persists on Murder Mountain. But through their efforts of putting up flyers and sending out pleas for help, the locals begin to bring forward what they know about Garret’s disappearance. The rumors that start to come off the Mountain are that Garrett has been murdered and his alleged killer, a marijuana farmer, is boasting about his exploits. On Thanksgiving of 2013 the residents of Murder Mountain reach their breaking point. They posse up, and set out to get answers for Garrett and his suffering family. They violently confront the alleged killer, using any means necessary to get answers. The ragtag group of vigilantes would come to be known as the Alderpoint 8.

In 2013, a body is found, and Val’s worst fears are realized. Garrett has been killed. Moreover, his alleged murderer, slips away from a hospital after suffering multiple gunshot wounds. One of the last surviving members of the Alderpoint 8, John Reilly, steps out of the shadows to tell his story of what happened that night. He heard a confession and is willing to testify. Over the course of the next few months the world of Murder Mountain begins to consume itself. Outlaw patriarchal figure, Neil Decker, one of the leaders of the Alderpoint 8, is unceremoniously murdered, taking what he knows about Garrett’s killing to the grave.

Another member of the Alderpoint 8 is murdered shortly after the first in what seems like another case of vigilantism gone awry. The importance of these men as witnesses to the alleged murderer’s confession only increases when we find out that a third was killed as recently as last year. Unlike past incidents, the police mount a full-on manhunt to bring this most recent killer to justice, as part of Sheriff William Honsal's new regime and intensifying efforts to clean up Murder Mountain through legalization. With members of the Alderpoint 8 dropping like flies, private investigator Chris Cook must find the only potential witness to Garrett’s murder, the man who was forced to help bury the body.

Garrett’s father, Val, makes the trip to Humboldt to meet up with John Reilly. Haunted by Garrett’s memory, the Vietnam vets bond over the war and mutually shared grief. We witness the first legal harvest; see who is going to leave this outlaw culture behind and who is going to perpetuate it. In a final attempt to break open Garrett’s case, Chris Cook finds that after years of being off the grid, the man who was forced to help bury the body has reemerged in public...right in Humboldt County. He thought this incident was behind him. Can Cook persuade him to testify against the alleged murder and bring this case to rest?