Source Code (2011) — AI Story Visualization

Plot Analysis Summary

A soldier trapped in an experimental time reconstruction seeks a bomber, confronts institutional control, and discovers a possible alternate future.

Story Structure — 4 Plot Phases

The Train That Repeats

Stevens awakens on a train, witnesses its destruction, and is repeatedly returned to the same eight-minute period. His early attempts reveal the bomb but fail to identify the bomber.

Key Events

• Train Awakening — Stevens awakens confused on a Chicago-bound train and appears to be another man. Characters: Colter Stevens, Christina Warren Location: Metra commuter train
• First Train Explosion — The train explodes while passing another train, killing everyone aboard. Characters: Colter Stevens, Christina Warren Location: Metra commuter train
• Capsule Briefing — Goodwin verifies Stevens and assigns him the mission to find the bomber. Characters: Colter Stevens, Colleen Goodwin Location: Dimly lit capsule
• Bomb Found — Stevens finds the bomb inside a lavatory vent but cannot identify its owner. Characters: Colter Stevens, Christina Warren Location: Train lavatory
• Second Fatal Loop — Stevens returns to the cabin, and the train explodes again before he can solve the mystery. Characters: Colter Stevens, Christina Warren Location: Metra commuter train
• Suspect Pursuit — Stevens leaves the train with Christina and follows a suspect onto the tracks. Characters: Colter Stevens, Christina Warren Location: Train station and tracks
• Trackside Death — The suspect is a dead end, and Stevens dies after falling onto the tracks. Characters: Colter Stevens, Christina Warren Location: Railway tracks

The Cost of Survival

Goodwin and Rutledge explain that the disaster was real and that Stevens is physically trapped inside an experimental system. Stevens learns that his body is mostly gone and accepts a conditional promise of termination.

Key Events

• Source Code Explained — Rutledge reveals that the train disaster was real and explains the eight-minute memory reconstruction. Characters: Colter Stevens, Colleen Goodwin, Dr. Rutledge Location: Source Code capsule
• Death in Combat Revealed — Goodwin reveals Stevens was reported killed in action and is mostly sustained by life support. Characters: Colter Stevens, Colleen Goodwin Location: Source Code capsule
• Termination Bargain — Rutledge offers termination after the mission, and Stevens accepts the condition. Characters: Colter Stevens, Dr. Rutledge Location: Source Code capsule

Hunting the Bomber

Through repeated investigations, Stevens gathers clues, identifies Derek Frost, and locates the dirty bomb in Frost's van. Frost kills Stevens and Christina in one failed attempt, but the evidence enables the real-world arrest.

Key Events

• Security Interference — Stevens is arrested by train security while trying to obtain a weapon for the investigation. Characters: Colter Stevens, Christina Warren Location: Metra commuter train
• Wallet Clue — A fallen wallet helps Stevens identify Derek Frost as the bomber. Characters: Colter Stevens, Derek Frost Location: Metra commuter train
• Van Bomb Discovery — Stevens traces Frost's vehicle and discovers a dirty bomb built inside the van. Characters: Colter Stevens, Christina Warren, Derek Frost Location: Frost's van
• Frost Shoots Them — Frost shoots Stevens and Christina during the investigation. Characters: Colter Stevens, Christina Warren, Derek Frost Location: Frost's van
• Bomber Arrested — Stevens relays Frost's identity, enabling the police to arrest him and prevent the second attack. Characters: Colter Stevens, Colleen Goodwin, Dr. Rutledge, Derek Frost Location: Source Code operation

Beyond Eight Minutes

Rutledge breaks his promise, but Goodwin grants Stevens one final run. Stevens stops the bombing, reconciles with his father through a call, sends Goodwin a message, and discovers that the Source Code creates an alternate timeline.

Key Events

• Broken Promise — Rutledge secretly refuses to terminate Stevens because he remains the only successful candidate. Characters: Colter Stevens, Dr. Rutledge Location: Source Code facility
• Final Train Entry — Goodwin sends Stevens back once more, and he arranges a date with Christina while tracking Frost. Characters: Colter Stevens, Christina Warren, Derek Frost Location: Metra commuter train
• Bomb Defused — Stevens defuses the bomb, apprehends Frost, and reports him to the police. Characters: Colter Stevens, Christina Warren, Derek Frost Location: Metra commuter train
• Life Support Disconnected — Stevens sends Goodwin an email, and Goodwin disconnects his life support after eight minutes. Characters: Colter Stevens, Colleen Goodwin Location: Source Code capsule
• Alternate Timeline Confirmed — Events continue beyond eight minutes, confirming that the Source Code creates an alternate timeline. Characters: Colter Stevens, Christina Warren, Colleen Goodwin Location: Alternate train timeline

Story Breakdown

• Disoriented Train Ride — Stevens begins inside an unfamiliar identity and witnesses the train disaster.
  • Strange Awakening — Stevens wakes on a Chicago-bound train with Christina and cannot explain his altered appearance.
  • Explosive Repetition — The train explodes, and Stevens is repeatedly returned to the same moment.
• Mission From The Capsule — Goodwin assigns Stevens the task of locating the bomber before another attack.
  • Controller Briefing — Goodwin verifies Stevens and communicates through the capsule's video screen.
  • Lavatory Bomb — Stevens finds the bomb but initially cannot identify the bomber.
• Source Code Revelation — The experiment's true nature and Stevens's physical condition transform the mission.
  • Memory Reconstruction — Rutledge explains that residual memories recreate the final eight minutes.
  • Body In Life Support — Goodwin reveals that Stevens was reported killed and is mostly sustained artificially.
• Relentless Investigation — Stevens uses repeated runs to overcome failed leads and gather identifying evidence.
  • Trackside Dead End — A suspect pursuit fails, and Stevens dies after falling onto the tracks.
  • Security Arrest — Train security arrests Stevens when he tries to obtain a weapon.
  • Wallet Identification — A fallen wallet helps Stevens identify Derek Frost as the bomber.
• Frost And The Dirty Bomb — The investigation reaches Frost's vehicle and exposes the planned second attack.
  • Van Registration — Stevens memorizes Frost's license and vehicle registration information.
  • Deadly Ambush — Frost shoots Stevens and Christina during one investigation.
  • Police Arrest — Stevens relays the evidence, allowing Frost's arrest and preventing the second attack.
• Broken Project Promise — Rutledge's decision to preserve the experiment forces Stevens to seek help from Goodwin.
  • Rutledge Reneges — Rutledge refuses to terminate Stevens because he remains the only successful candidate.
  • Goodwin Intervenes — Goodwin sends Stevens back for one final run and promises to disconnect life support.
• Final Alternate Future — Stevens saves the train passengers, completes personal unfinished business, and proves the system creates another timeline.
  • Bomb Defused — Stevens stops the explosion, apprehends Frost, and reports him to the police.
  • Father Reconciliation — Stevens calls his father under the guise of a fellow soldier and reconciles with him.
  • Timeline Beyond Eight — Events continue beyond the normal limit, confirming an alternate reality.
  • Message To Goodwin — Stevens emails Goodwin about the Source Code's true capability and asks for her help.

Directed by

Duncan Jones

Key Cast

• Jake Gyllenhaal — Colter Stevens
• Michelle Monaghan — Christina Warren
• Vera Farmiga — Colleen Goodwin
• Jeffrey Wright — Dr. Rutledge
• Michael Arden — Derek Frost