When a 16-year-old falls under the spell of a young Charlie Manson and vanishes in the night, her mother reaches out to Detective Sam Hodiak for help.
A racially charged murder case puts Hodiak and Shafe at odds. Charlie presses Ken Karn for help breaking into the music business.
While Hodiak looks into a drug dealer's murder, Charmain and Shafe go undercover with Manson's crew. Charlie finally gets his chance to record a demo.
Sam connects the dots on Gladner's murder, Emma and Sadie try to make their way back to Charlie, and Ken begins to spiral out of control.
The death of a black teen inflames tensions between the Black Panthers and police. Meanwhile, Sam grows closer to Grace and learns what Walt is up to.
Grace grows suspicious of Ken, Sam looks into an attack on Brian's house, and Charmain takes on a thorny case involving an abusive football player.
The murder of a Hollywood star tests the limits of Brian's tolerance. Emma and Sadie set out to bring a figure from Charlie's past back into the fold.
Sam reaches out to a friend who's a former prostitute for help looking into Manson's pimp days. Emma's relationship to Charlie takes a turn.
The shooting of two cops sets the precinct on edge and puts Charmain in a difficult position. Ken disposes of some key evidence linked to Charlie.
After a spiked drink sends Sam on a mind-bending acid trip, he tries to help a fellow cop in crisis. Emma brings her ex to the compound.
Bunchy asks Sam for help solving a murder, while Brian puts out a fire in Guapo's inner circle. An unexpected visitor leaves Charlie rattled.
Brian dives back into the Novo case, a desperate Sam strikes a deal with Ken, and a film crew captures a little too much action at Charlie's compound.
A dark incident from the past comes back to haunt Ken. Sam scrambles to keep Walt out of prison. Sadie takes a drastic step to win Charlie's favor.
While Sam tries to track down Roy, Charmain has to think on her feet. A visit from an old prison associate rattles Charlie.
As Charlie tries to figure out his next move, he brings a new girl into the family. Grace's father lays down the law, and Hodiak pursues a lead.
At the precinct, Hodiak receives a photo of another missing girl. Charlie meets Tex Watson and makes an impression on Dennis Wilson.
In the aftermath of a national tragedy, Hodiak investigates a murder in Watts, Shafe clashes with the Panthers, and Charlie dreams of a race war.
Shafe gets promoted to detective, while Charmain infiltrates a radical student group. Emma's relationship with Dennis angers Charlie.
Hodiak helps a friend who's being blackmailed. Grace wants to get more involved in politics. Shafe hides a destructive secret.
Charmain tries to prevent an act of violence. Sadie and Tex deliver bad news to Charlie. Hodiak gets an unexpected visitor.
While Hodiak probes a suspicious hit-and-run, Manson questions him about Emma. Kristin tries to help Shafe, and Ken pulls some strings.
Hodiak finds help for Shafe. Bunchy Carter is arrested and accuses the cops of planting drugs. Charlie falls out of favor with Dennis.
Ken and Emma reconnect. Charmain tips off Hodiak about an ambush. Charlie flies into a rage searching for Dennis and runs afoul of the police.
As Ken settles in at the ranch, Charlie orders him to pull his weight. Chaos erupts at Shafe's house, and Charmain reaches a breaking point.
Charlie and the family grow desperate as they run out of money. Hodiak receives a disturbing phone call. Ken plays hardball with Grace.
Hodiak has a breakthrough on the serial killer case and enlists Shafe's help. Meanwhile, the family prepares for Helter Skelter.