Cullen would covertly inject lethal doses of drugs like insulin and digoxin into IV bags, often choosing victims at random rather than only the terminally ill.

The story is set in 2003 at Parkfield Memorial Hospital in New Jersey.

The impact of the film extends beyond the entertainment industry. "The Good Nurse" serves as a cautionary tale about the dangers of uncritical trust and the importance of accountability in healthcare. The movie has sparked important conversations about the need for greater scrutiny of healthcare professionals and the consequences of negligence.

However, a series of mysterious patient deaths triggers an investigation by state police detectives Danny Baldwin and Tim Braun. As evidence mounts, Amy is forced to risk her life and her job to uncover the truth and eventually elicit a confession from her best friend. Core Themes

Set in 2003, the story follows Amy Loughren (Chastain), a compassionate, overworked ICU nurse and single mother struggling with a life-threatening heart condition. She finds a supportive friend in a new colleague, Charlie Cullen (Redmayne), who helps her manage the physical demands of her job.