The film begins in a dilapidated beach house set against the backdrop of 1970 in the fictional location of Gordita Beach, Los Angeles. A young woman named Shasta Fay arrives, described as the former partner of the homeowner. She appears transformed, with her hair significantly shorter than how she once promised never to look. Introducing us to the narrative woven from Thomas Pynchon's novel, we soon meet her ex-boyfriend, Doc Sportello, a laid-back private investigator who embodies the spirit of a confused hippie.
Shasta divulges to Doc that she’s involved with a wealthy real estate developer named Mickey Wolfmann, who is currently under threat from his wife and her lover, with plans to have him committed to an insane asylum. Concerned for her safety, she visits Doc, fearing she’s being watched. Mickey, who has a checkered past with ties to criminals and white supremacist groups, appears on TV in a commercial that Doc, in a drug-induced haze, perceives as a confrontation with the police officer, Bigfoot.
Narration provided by Sortilège](/actor/joanna-newsom) prompts Doc to re-evaluate his life, including a request to change his hairstyle, which later is adorned with blue ribbons. Doc's journey leads him to Tariq Khalil, affiliated with a Black Panther-like organization, who employs Doc to locate one of Mickey's bodyguards, Glen Charlock, notorious for his illegal endeavors. Tariq's recounting of the displacement of Mexican families for Dodger Stadium underscores the film’s poignant social commentary.
As Doc navigates the seedy underbelly of Los Angeles, he encounters a myriad of characters, including a prostitute named Jade, who comically offers dubious services in a brothel, only for Doc to suffer an accidental demise at the hands of an unseen assailant. His ordeal continues when he is questioned by Det. Christian F. "Bigfoot" Bjornsen, who vacillates between hostility and respect for Doc, even as he engages in bizarre antics involving oral sex simulacra with food items.
Doc's investigation spirals as he becomes entwined with an array of personalities, such as Hope Harlingen, a former drug addict searching for her missing husband, Coy. Posing as a patent lawyer, Doc visits the Wolfmann residence, where he discovers a haven of debauchery, and shocking revelations about Shasta, who has become involved in Mickey’s convoluted affairs.
Back at the police station, Doc’s disdain for authority is evident, particularly toward the incompetent FBI agents interviewing him regarding the suspicious circumstances surrounding the disappearances. Their interactions spark a comedic undertone as Doc observes their lack of professionalism amidst the chaos.
In a tumultuous series of events, Doc learns through a message from Jade that the Golden Fang, an enigmatic organization, is key to unraveling the mysteries at hand. His search leads him to the docks, where he learns the ties between the Golden Fang’s illicit operations and Mickey’s entrapment. Adding complexity to the plot, each twist and turn leads Doc deeper into danger, from encounters with his questionable attorney, Sauncho Smilax](/actor/benicio-del-toro), to a disturbing meeting with loan shark drian Prussia.
As the narrative culminates, Doc’s romantic entanglements with [Penny Kimball complicate matters further, showcasing the intricate intertwined fates of each character. Their connections unravel secrets and portray a world rife with drugs, deceit, and sexuality, all set against the culturally charged landscape of 1970s Los Angeles.
Ultimately, the conclusion finds Doc traversing the complexities of his relationships, with Shasta re-entering his life under uncertain terms. A final drive together signifies not a reconciliation but a journey full of uncertainties. The film closes with a witty exchange encapsulating their dynamic, leaving the audience reflective of the convoluted nature of love and loss. As the credits roll, viewers are left with the enigmatic phrase, “Under the paving-stones, the beach!” inviting them to ponder the hidden depths beneath the surface of their reality.
