The article discusses a pivotal moment in the TV show "Blue Bloods" involving Linda Reagan, the wife of main character Danny Reagan. Linda, who works as a nurse, puts herself in danger to protect a patient who witnessed a murder. She is shot in the process, causing serious damage to her mental health. This event raises questions about how the Reagan family will cope without Linda's presence and support. It also highlights Linda's selfless nature and dedication to her job as a nurse.