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The Hunt for the Hydra is a 2025 science fiction action film and the fifth installment in the Sea Monsters Universe. Like the first and the fourth installments, it was directed by Lexi Alexander and produced by Zack Snyder, Jerry Bruckheimer, and Gore Verbinski from a screenplay by Alexander and Bruckheimer, and is a direct sequel to The Terrors of the Lusca, being released ten months after that film. The film stars an ensemble cast including Sasha Calle, Ruby Rose, Hailee Steinfeld, Anthony Ramos, Katherine Waterston, Nick Adams, Garrett Hedlund, Michael Shannon, Daniel Kaluuya, Peter Stormare, and Salma Hayek. Its story follows Lucía and Sienna as they must hunt down a six-headed snake for the sake of innocent civilians, as well as their child. The Hunt for the Hydra opened in theaters on December 23rd, 2025; like the first and the fourth films, it received universal acclaim, with praise for the action sequences, performances (particularly Calle and Rose), visual effects, score, and emotional weight. It was also a financial success like its predecessors, grossing $1.5 billion worldwide, becoming the highest-grossing film of the Sea Monsters Universe and the second highest-grossing film of 2025. A sequel is in development.
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10 comments on The Hunt for the Hydra

  • misterwolf Plot: As Lucía Herrera returns to her ship and enters her quarters, she finds her wife Sienna Harris sobbing and grieving. She realizes that Sienna's uncle Will has died during a monster hunt. Lucía comforts Sienna, before they both put their infant daughter to sleep.

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  • misterwolf Lucía's mother Sofia joins the crew when she reveals that the monster that killed Will was a giant creature called a Hydra. Lucía and Sienna order a near-suicide mission to hunt the beast down. Cassie O'Donnell's father Frank and his nephew Ryan also joins the crew, and the hunt begins.

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  • misterwolf During the pursuit, Lucía and Sienna reveal that Luna was taken to Willow Reynolds until they return, not wanting to put her in danger. Sienna's brother Danny sacrifices himself to save her, their sister Olivia, and Lucía when the Hydra suddenly attacks the ship, while Frank is also killed saving Cassie.

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  • misterwolf Ryan also lets himself get eaten, but not before putting on a bomb vest; it explodes, weakening the beast and allowing Olivia to pilot the ship and follow it. Lucía and Sienna comfort a grieving Cassie, assuring her that her family will be avenged. They follow the Hydra through a serious storm, which damages the ship's hull.

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  • misterwolf The Hydra attacks again, with Sofia sacrificing herself by blowing up the middle deck in an attempt to stop the creature. Before dying in a sobbing Lucía's arms, she says "It's okay sweetie.... I wasn't trying to kill it. I was trying to... Set a trap.. You have to let go.....". A mourning Lucía carries her mother's completely bandaged body and drops it in the ocean, thus giving her a proper burial, before being comforted by Sienna.

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  • misterwolf Realizing the concept of her mother's sacrifice, Lucía orders the middle to stay the way it is until the Hydra is dead. Second-in-command Carlos González proposes to Olivia, stating that they may not survive their battle with the beast at any point. She accepts. Lucía docks the ship, and the remainder of the crew arm themselves with harpoons.

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  • misterwolf With a maelstrom ever growing, a smirking Lucía looks at it and says "Perfect". The Hydra lounges up from the sea and fights the crew; it does not go through the hole Sofia made, so Lucía and Sienna lure it there, and it gets trapped. They sever its first two heads, but the middle head grabs Sienna and frees itself. Lucía follows it, and battles it with the broken harpoon she used to kill the Serpent one year ago.

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  • misterwolf With Olivia's help, Lucía frees Sienna from the creature's tail and they both battle the last head. They eventually overpower it and stab it through both of its eyes, before beheading the beast, finally killing it and avenging their fallen companions. Lucía and Sienna allow Carlos to pilot the ship back to Florida, while they both retire to their quarters and rest.

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  • misterwolf Returning to the docks, the crew begins repairing the ship. Lucía and Sienna, the former holding Luna, sit alone at the beach and both start crying, indicating that they are finally allowing themselves to grieve for their loved ones. Lucía then looks up at the sky to acknowledge the fact that her mother is at peace, and then the end credits roll.

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  • misterwolf End Credits (with the song "Hey" by Marissa): Written and directed by Lexi Alexander | Produced by Zack Snyder, Jerry Bruckheimer, and Gore Verbinski | Edited by Kirk M. Morri and James Wan | Cinematography by Zack Snyder | Costumes Designed by Michael Wilkinson | Visual Effects by John Knoll | Choreography by Rob Marshall | Music by Hans Zimmer and Bear McCreary | Casting by Carmen Cuba | Sasha Calle | Ruby Rose | Hailee Steinfeld | Anthony Ramos | Katherine Waterston | Nick Adams | Michael Shannon | Garrett Hedlund | with Daniel Kaluuya | with Peter Stormare | and Salma Hayek | THE HUNT FOR THE HYDRA

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