Shook 2021

In a chilling turn of events, the infamous Southland Dog Killer, known for preying on pets, escalates to murder by killing online beauty influencer Genelle during a restroom scene at a cosmetics promotion event. As this shocking incident unfolds, social media sensation Mia Larson decides to cancel her livestream with friends Lani, Jade, and Santi to watch her sister Nicole’s dog, Chico, instead.

Unbeknownst to Mia, Nicole is purportedly in San Francisco for treatment of Livingston’s Disease, a hereditary ailment that claimed their mother’s life. While preoccupied with Chico, Mia is relentlessly bombarded with eerie texts and calls from her sister’s neighbor, Kellan. He reveals through unsettling videos that he has kidnapped Nicole, Mia’s friends, and Chico, threatening to inflict harm if Mia attempts to flee or contact authorities. Caught in a perilous game orchestrated by Kellan, Mia is forced to respond to his twisted challenges, ultimately leading to harrowing choices about who lives and dies.

In a moment of desperation, Mia’s decision to prioritize Lani over Chico results in the dog’s apparent demise—and she is compelled to choose Lani over Nicole as well. But just when hope seems lost, Lani reaches out to reveal that the entire ordeal was an elaborate prank livestreamed to Mia’s followers, with her, Jade, and Santi merely acting in a staged scenario. Misinformed and enraged, Mia learns Lani took advantage of footage capturing her emotional breakdown at their mother’s funeral.

As the plot thickens, Lani’s frantic call alerts Mia of an unknown presence in her house, which Mia brushes off as another facet of the prank—until she discovers Lani’s lifeless body floating in the pool. The situation escalates rapidly when Santi informs Mia he is trapped in a neighboring house, leading her to call a rideshare. She is paired with a driver named Big Mike, signaling the precarious escalation of events.

Mia’s world shatters further when the real terror begins; she stumbles upon Lani’s corpse and receives ominous messages from Kellan, who compels her to endure painful injections. The dark revelation continues as Mia finds Santi suffocated and Jade making a desperate claim that they were paid for the prank. Kellan sends proof that Lani was far from affluent, exposing the truth behind her lavish facade online.

Lost in the chaos, Mia uncovers her mother’s remains hidden in a closet, only to confront Nicole, who shockingly admits to orchestrating the entire horror show, including previous dog murders. Fueled by resentment, Nicole berates Mia for her selfishness, believing their fractured family dynamics justified her brutal torment.

As a climactic standoff ensues, Nicole threatens to kill Jade if Mia refuses to inflict injury upon her sister. In a desperate attempt to save Jade, Mia inadvertently unleashes even more violence. Their confrontation is broadcasted live, pulling viewers into their intense family tragedy when the actual Kellan arrives only to be shot by Nicole for prying too deeply.

Seizing the moment, Mia fights back against her deranged sister. Despite limping away battered, she falls onto the sidewalk where Big Mike finds her. As he queries if she is Mia, she feebly replies, “No,” oblivious to the fact that Nicole is still alive, and the nightmare may not yet be over.