A newly "retired" Hodiak tracks down the serial killer who has been tormenting him for months, without the protection and authority of his police position. Manson sends Tex, Sadie, Emma and Patty to 10050 Cielo Drive, where they are swept up in one of the most infamous crimes in the country's history. (Season Finale)

Charmain's first ride-along ends when her fellow officers are gunned down, the first in a series of cop killings.

Changes within the police department land Hodiak back in hot water with Internal Affairs, which forces him to adjust to a neutered role in the precinct. Meanwhile, the Manson family's misfortune seems to take a turn for the better when Terry Melcher arrives and wants to record Charlie's music.

On the day of Martin Luther King, Jr.'s assassination, Hodiak must investigate a murder in a black neighborhood while trying to prevent an imminent riot. In the midst of the crisis in the black community, Kristin's involvement with the Black Panthers drives a wedge between her and Shafe's marriage. Meanwhile, Charmain brings the drug case to a close and discovers the full cost of undercover work.

Season 1 finale! Emma returns just as Mary goes into labor; Hodiak's deal for Walt goes south; a murder investigation has unforeseen consequences.

Hodiak receives some disturbing fan mail as Charmain takes a dangerous plunge undercover and Brian discovers Roy's true intentions. Ken takes aim at Hal as Charlie fears an old prison mate is back to collect a debt.

While Shafe's addiction problems mount, Hodiak helps an old war buddy find his blackmailer. Meanwhile, Karn gathers information to use against Bobby Kennedy and Grace finds a new love for politics.

Charlie bonds with a Beach Boy, while "Tex" joins the Manson Family. Hodiak and Grace tread familiar territory as Brian takes a stab at a killer and gets rewarded for his sharp work.

Cutler gets a surprise visitor. Hodiak and Shafe work the murder of a Hollywood star. Charlie goes gun shopping.

LAPD Detective Sam Hodiak and undercover officer Brian Shafe begin the search for a missing teenage girl, Emma Karn, who has fallen under the spell of infamous cult leader Charles Manson.

Hodiak investigates Art Gladner's murder through his late wife Lucille, who runs a burlesque club. Manson hides Emma but Hodiak, under pressure from Grace, ultimately finds her and brings her home.

A South Central murder investigation ratchets up tension with the Black Panthers. Emma runs away from home in the midst of the chaos and Hodiak pays Manson a visit and gives him a near-fatal beating.

A drug dealer is murdered, and the prime suspect is Shafe's snitch. Meanwhile, Shafe and rookie Charmain Tully go undercover into the Manson family in a mission that comes with serious consequences.

Hodiak and Shafe investigate a complicated murder case amidst rising racial tensions. Meanwhile, Manson forces Emma's father, Ken Karn, to introduce him to an executive in the music business.

Charlie recovers. Charmain finds a case. Hodiak seeks the man who's been harassing Shafe's family. Shafe helps Hodiak get a message to his son.

Shafe, alone at the bloody Tate crime scene, is confronted by his own demons. As Manson searches for a missing Emma, he ends up on Hodiak's doorstep. Meanwhile, Ken Karn goes to new levels for international diplomacy.