2009: Lost Memories (2005) Timeline Explained – Every Event in Order

Japan altered history by using a time-manipulating temple stone discovered in 2009. The ultranationalist group Uyoku dantai sent their leader Inoue back 100 years to October 1909 to prevent the assassination of Resident-General Itō Hirobumi. With Itō alive and Inoue's foreknowledge, Japan avoided its wartime defeats, remained aligned with the Axis but switched to ally with the US against Nazi Germany. The war ended in 1945 with Berlin being atomic-bombed instead of Hiroshima and Nagasaki, allowing Japan to maintain its colonial empire and gain a permanent UN Security Council seat.

• time travel
• temple stone
• Itō Hirobumi
• alternate history
• 1909
• Japan WWII

The Hureisenjin was founded by a Korean researcher who sought to restore the original timeline. After discovering Japan's manipulation of history through the temple stone, this researcher dedicated their life to tracking down Inoue and preventing his temporal interference. The group passed down knowledge of the distorted timeline across generations, with the ultimate goal of assassinating Itō Hirobumi in 1909 to restore Korea's actual historical path.

• Hureisenjin
• Korean researcher
• restore timeline
• Inoue
• resistance

Saigo's betrayal stemmed from knowing that restoring the original timeline would result in the atomic bombing of Hiroshima, which would kill his wife's family. Despite understanding Sakamoto's mission to save millions from Japanese colonial rule, Saigo chose to protect his own family. He became an adversary because the restored timeline meant certain death for his loved ones, making his personal tragedy too great to sacrifice for historical correction.

Foreshadowing: Saigo had pledged to become Sakamoto's enemy the next time they would meet after Takahashi's murder.

• Saigo
• betrayal
• Sakamoto
• Hiroshima
• family
• timeline restoration

The temple stone is a colossal ancient artifact discovered by archaeologists in 2009 beneath a stone temple. It possesses the extraordinary ability to manipulate time, allowing people to travel exactly 100 years into the past or future. When placed with the Lunar Soul artifact, the stone's powers activate fully. However, the stone's usage creates significant consequences, as altering the past fundamentally reshapes reality for everyone in the present.

• temple stone
• time travel
• Lunar Soul
• time manipulation
• 1909
• 2009

Sakamoto allied with the Hureisenjin after learning the shocking truth about Japan's altered history. Realizing that his own nation had committed grave historical wrongs through time manipulation, and that the Hureisenjin held the key to fixing the timeline, Sakamoto chose to join them. His change in allegiance was driven by moral conviction that Korea's suffering under Japanese colonialism was wrong and that restoring the original history was the just action.

• Sakamoto
• Hureisenjin
• alliance
• timeline
• moral conviction
• Japan colonial rule

Hye-rin died from injuries sustained during the gunfight on the tanker ship while activating the temple stone with the Lunar Soul. She succumbed to her wounds, leaving Sakamoto as the sole protector of the timeline's fate. However, the ending reveals a twist: the Hye-rin who appeared beside Sakamoto before destroying the temple stone was actually a different version, a Korean researcher from the original timeline who had followed Inoue through time but never met Sakamoto in that reality.

• Hye-rin
• death
• tanker ship
• timeline
• Korean researcher
• sacrifice

Itō Hirobumi's assassination on October 26, 1909 was historically significant because it marked a pivotal moment in Korea's struggle for independence from Japanese colonial rule. In the original timeline, Itō's death was a major event that galvanized Korean independence movements. By preventing his assassination, Inoue ensured Japan would not lose its colonial governor-general, allowing Japan to maintain control over Korea and eventually win World War II through altered historical circumstances.

• Itō Hirobumi
• assassination
• 1909
• Korean independence
• colonial history

When Sakamoto succeeded in restoring the original timeline, Japan lost its dominant world position and Korea regained independence. The most poignant change was at Independence Hall, where a young boy who had known Sakamoto in the alternate timeline now stood before a gallery honoring Korean heroes, including a portrait of Sakamoto and Hye-rin together, happily united. This visual confirmed that in the restored timeline, they had lived as beloved Korean independence figures rather than Japanese agents.

• restored timeline
• Independence Hall
• Korea
• Sakamoto
• Hye-rin
• ending
• heroes

Sakamoto's father was executed as a traitor because he was accused of assisting a Hureisenjin attack on a cargo ship bound for Vladivostok in 1985. This dark family legacy haunted Sakamoto throughout the film, affecting his credibility within the JBI and making his investigation into the Hureisenjin personally complicated. The truth revealed that Sakamoto's father may have been trying to help the resistance rather than betray Japan, adding tragic depth to Sakamoto's character.

• Sakamoto father
• executed
• traitor
• 1985
• Hureisenjin
• cargo ship
• Vladivostok

The Lunar Soul is a crescent-shaped artifact that plays a crucial role in activating the temple stone's time-manipulating powers. Originally captured from a fallen Hureisenjin terrorist during the Keijo Museum hostage crisis, the artifact contains mysterious properties essential to temporal manipulation. When placed within the temple stone, it fully activates the time travel mechanism, though its use comes with grave consequences for those involved.

• Lunar Soul
• artifact
• crescent
• temple stone
• time travel
• activation