Locked In: Cast, Plot, and Trailer for the Romantic Thriller - Netflix Tudum

  • Deep Dive

    ‘Locked In’: Everything You Need to Know About the Romantic Thriller

    A nurse searches for answers about her paralyzed patient in this crime drama.

    By Ingrid Ostby
    Nov. 1, 2023

When a devoted nurse investigates how a patient in her care — who can only communicate via blinking — ended up in the hospital, she uncovers a twisted murder plot. Directed by Nour Wazzi, the romantic thriller Locked In pits unhappy newlywed Lina (Rose Williams) against her bitter mother-in-law, Katherine (Famke Janssen), as an affair sets off a fatal chain reaction. But who’s the real victim?

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When will Locked In be released?

Stream it now.

Where can I find the trailer for Locked In?

Check it out at the top of this article.

Who’s in the cast of Locked In?

  • Famke Janssen (X-Men, Hemlock Grove) as Katherine, a former actor
  • Rose Williams (Mrs. Harris Goes to Paris, That Dirty Black Bag) as Lina, Katherine’s adoptive daughter
  • Finn Cole (Peaky Blinders, F9: The Fast Saga) as Jamie, Katherine’s stepson
  • Alex Hassell (The Tragedy of Macbeth, Violent Night) as Dr. Robert Lawrence, Jamie’s doctor
  • Anna Friel (Marcella, Pushing Daisies) as Nicky Mackenzie, Katherine’s nurse

What happens in Locked In?

Katherine, a former Hollywood actor, wakes up in the hospital unable to move. She’s been hit by a car and suffers from locked-in syndrome — her eyes are the only thing she’s able to move. Through her nurse, Nicky, we find out what’s led to Katherine’s hospitalization. Katherine, communicating with her via letter board, blinks when Nicky reads the correct letter: She claims there’s been a murder. Through flashbacks, we see snapshots of Katherine’s life just after she adopts her late best friend’s daughter, Lina. Lina idolizes Katherine and quickly becomes close with her chronically ill son, Jamie. Later, Lina and Jamie get married — much to Katherine’s dismay, as Jamie is the heir to his late father’s manor, where they all live. As Lina and Katherine’s relationship deteriorates, Lina bonds with Jamie’s doctor, Robert, and tragedies befall Katherine’s family. 

Is Locked In based on a true story?

No, the film isn’t based on a true story. 

Where does Locked In take place?

The film takes place in the English countryside. 

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