The Good Nurse Ending Explained: How Did Charles Cullen Kill the Patients? What Was His Motive?

The Good Nurse is a crime drama thriller film, directed by Academy Award nominee Tobias Lindholm and the screenplay is written by Krysty Wilson-Cairns. Based on true events as documented in the book The Good Nurse: A True Story of Medicine, Madness, and Murder by Charles Graeber, the upcoming film follows a New Jersey nurse who suspects her colleague is hiding a dark secret.

The cast of the film features Jessica Chastain as Amy Loughren, Eddie Redmayne as Charles Cullen, Nnamdi Asomugha as Danny Baldwin, Noah Emmerich as Tim Braun, Kim Dickens as Linda Garran, Malik Yoba as Sam Johnson and Alix West Lefler. It has a runtime of about 2 hours and 3 minutes.

The Good Nurse Ending Explained

Amy, a compassionate nurse and single mother struggling with a life-threatening heart condition, is stretched to her physical and emotional limits by the hard and demanding night shifts at the ICU. But help arrives when Charlie, a thoughtful and empathetic fellow nurse, starts at her unit.

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While sharing long nights at the hospital, the two develop a strong and devoted friendship, and for the first time in years, Amy truly has faith in her and her young daughter’s future. But after a series of mysterious patient deaths sets off an investigation that points to Charlie as the prime suspect, Amy is forced to risk her life and the safety of her children to uncover the truth.

Amy wasn’t suspicious of Charlie until she got back from the interrogation with the investigating detectives and another patient of hers died, in an anonymous manner. The first patient death that started the whole investigation was Ana Martinez, who had unusual levels of insulin in her system, at the time of her demise. She caught this in the medical records and gave the detectives a lead to work towards.

The Good Nurse Ending Explained
Still from The Good Nurse

They tried to contact his previous employers and got just the name of a drug named Digoxin, which was also found in the body. Following that, another patient named Kelly dies with insulin in her body. This makes Amy suspicious but she doesn’t think much of it, until the detectives visit her personally, to ask about Ana Martinez, they all realise the similarities between the two deaths.

To make things more clear Amy decides to meet up with her friend from another hospital, who also worked with Charlie, previously. She tells her that there were rumours about him overdosing the patients, leading to their death. He would inject insulin and digoxin into the IV fluids bag and later they would be given to the patients. This way he was never directly involved in killing and the patients would die slowly reacting to the drugs, be it in a few hours or a day.

To check if this is true, she runs to the hospital storage room and checks the IV fluid bags and finds one with a tiny hole in it. She then actively tries to help the police by tracking down Cullen’s drug requests and observing his computer entries, which would prove his involvement in killing the patients.

But at the same time, the hospital fires Charles over discrepancies in his documents, but in reality, they caught the air of his actions and wanted to save their reputation before more deaths happened. This made the police anxious, as he could start working at other hospitals now and continue his killing spree.

The Good Nurse Ending Explained
Still from The Good Nurse

They take help from Amy by setting her up with a recording wire and nudging her to get Charles to confess to her, but he instead storms off without telling a thing. On the basis of suspicions, they arrest Charles, before he could start working at another hospital and question him for 48 hours. But to no avail, he refuses to say a word.

At last, Amy steps in and he confesses to killing the patients by injecting the IV bags but he doesn’t even remember the people he killed, nor he states any reason for it. He repeats that he just did it, without any reason behind it. The real-life killer had said that he wanted to put the patients out of their pain and misery but many of his victims were healthy individuals on their way to recovery.

In 2006, Cullen was convicted for the murder of 29 people while working as a nurse for 16 years in New Jersey and Pennsylvania, though the real number is said to be as many as 400. He is believed to be one of America’s most prolific serial killers, although his story remains largely unknown, until now.

Currently, he is serving 18 consecutive life sentences in New Jersey state prison and is not eligible for parole until 2403. Meanwhile, the informant nurse Amy also received her heart surgery and living a healthy life with her daughters.

The Good Nurse is currently streaming on Netflix.

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Ameen Fatima
Ameen Fatima
I love films, except maybe horror films.

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