Coma (1978) Timeline Explained – Every Event in Order

Patients were being deliberately rendered brain-dead through carbon monoxide pumped into the anesthesia system in operating room #8. The conspiracy targeted young, healthy patients whose tissue types matched potential organ recipients. After being put into comas, these patients were transferred to the Jefferson Institute where their organs were harvested and sold on the international black market.

Foreshadowing: The morgue pathologist earlier suggested carbon monoxide poisoning as a method that could cause coma without detection, planting the seed for Susan's discovery.

• coma patients
• OR 8
• brain death
• organ harvesting
• surgery complications

The Jefferson Institute was a front for an international organ black market. Disguised as a legitimate high-tech care facility offering low-cost treatment for coma patients, it was actually where harvested organs were collected and shipped internationally. Patients believed to be in comas were killed during organ extraction.

Foreshadowing: Susan noticed that every patient who fell into a coma had a tissue-type sample taken before being transferred to the institute, hinting at a selection process.

• Jefferson Institute
• organ trafficking
• black market
• organ harvest
• medical conspiracy

A carbon monoxide tank was hidden in the hospital basement with a delivery line running through the ventilation system directly into OR #8. The line was controlled by a radio signal, allowing the perpetrator to activate the gas remotely during surgery. This method rendered patients brain-dead without immediate detection.

Foreshadowing: Kelly the maintenance worker warned Susan that something was wrong and directed her to investigate the basement.

• carbon monoxide
• gas line
• OR 8
• ventilation
• poisoning
• radio signal

Dr. George Harris, the Chief of Anesthesiology at Boston Memorial Hospital, was the mastermind behind the operation. He orchestrated the carbon monoxide poisonings in OR #8 and ran the Jefferson Institute as a front for organ trafficking. He also arranged for Susan to be drugged and operated on when she got too close to the truth.

Foreshadowing: Dr. Harris was sympathetic toward Susan early on, granting her time off and warning her about psychiatric evaluation, which later appeared designed to manage her investigation.

• Dr. George Harris
• chief anesthesiologist
• mastermind
• organ trafficking
• conspiracy

Mark Bellows, Susan's boyfriend and fellow physician, initially dismissed her suspicions about the coma patients as coincidental. He believed the pattern of young patients falling into comas could be random rather than deliberate. His initial skepticism created tension with Susan, though he eventually came around when evidence became undeniable and he witnessed the attempt to kill Susan in OR #8.

Foreshadowing: Mark's skepticism shifted dramatically when he saw Dr. Harris insist on using OR #8 for Susan's surgery, raising immediate red flags.

• Mark Bellows
• boyfriend
• skepticism
• support
• intervention

Kelly, a hospital maintenance worker, was killed after tipping Susan off about irregularities in the hospital. He was fatally electrocuted by an unseen assailant. Before his death, he directed Susan to investigate the basement, which led her to discover the carbon monoxide tank and delivery system.

Foreshadowing: Kelly's warning about something being wrong in the hospital and his subsequent death highlighted the deadly seriousness of the conspiracy.

• Kelly
• maintenance worker
• electrocution
• killed
• whistleblower

When Susan confronted Dr. Harris believing he was the mastermind, he offered her a drink that was drugged. She experienced severe abdominal pain mimicking appendicitis, requiring emergency surgery. Dr. Harris planned to use the surgery as another opportunity to kill her in OR #8, continuing the pattern of murdering patients for their organs.

Foreshadowing: Dr. Harris had consistently tried to control Susan's investigation through professional pressure and isolation, making his final act of drugging her a calculated elimination.

• drugged
• appendicitis
• surgery
• Dr. Harris
• murder attempt
• OR 8

When Mark realized Dr. Harris was insisting on using OR #8 for Susan's surgery, he became suspicious. He discovered the gas line feeding carbon monoxide into the anesthesia system and destroyed it, preventing Susan from being poisoned. This intervention saved her life and exposed the murder weapon.

Foreshadowing: Mark's earlier skepticism had transformed into active suspicion the moment he saw Dr. Harris's unusual insistence on OR #8.

• Mark Bellows
• gas line
• saved
• surgery
• OR 8
• carbon monoxide

Susan became a target because her investigation threatened the entire organ harvesting operation. A mysterious assailant stalked her throughout the hospital, attempting to kill her when she got too close to the truth. She ultimately trapped this attacker in the anatomy lab's cadaver cooler, confirming the conspiracy involved direct violence against whistleblowers.

Foreshadowing: The attacks escalated as Susan got closer to discovering the basement carbon monoxide setup and the Jefferson Institute's true purpose.

• stalked
• attacked
• threat
• attacker
• survival
• hospital

Susan's investigation began after her close friend Nancy Greenly, a healthy young woman, suffered brain death following a routine procedure. When another young, otherwise healthy patient also slipped into a coma during knee surgery, Susan recognized a suspicious pattern and began digging into hospital records, leading her to discover the connection to OR #8 and the Jefferson Institute.

Foreshadowing: Nancy's brain death was the initial tragedy that set Susan on the path to uncovering the conspiracy.

• Nancy Greenly
• investigation
• brain death
• pattern
• hospital records
• OR 8