| Colter Stevens (Jake Gyllenhaal) is a decorated army helicopter pilot who finds himself on a mission to locate the maker of a bomb which exploded and destroyed a train headed into Chicago. Stevens is isolated inside a chamber, where Air Force Capt. Colleen Goodwin (Vera Farmiga) explains to Stevens through a computer screen that he is inside the Source Code, a program that allows him to take over someone's body in his or her last eight minutes of life. |
柯爾特?史蒂文斯（杰克?吉倫哈爾 飾）是一位立過戰功的空軍直升機飛行員。他發現自己莫名地接受了一項任務。此前，一列駛入芝加哥的火車被恐怖分子炸毀，史蒂文斯受令要找出這次爆炸案的元兇。史蒂文斯被隔離在一間密室里，空軍上尉科琳?古德溫（維拉?法梅加 飾）通過電腦屏幕向他解釋說，他已經成為“源代碼”計劃的執行者，這項計劃能夠讓他穿越進入別人的身體；不過，穿越只能在那個人生命中的最后8分鐘實現。 |
| Stevens' mission is to locate the bomb, discover who built it, and report back to Goodwin before the bomber can detonate a second larger bomb, a dirty nuclear device, in downtown Chicago, which could cause the deaths of millions of people. Stevens can perform different actions each time and learn from those actions. Goodwin and the Source Code's creator, Dr. Rutledge (Jeffrey Wright), tell him that he cannot truly alter the past to save any of the passengers, but that he must gather information that can be used to alter the future and prevent a future attack. |
恐怖分子在芝加哥市中心放置了另一枚威力更大的炸彈，威脅著數百萬人的生命。在這枚核臟彈被引爆之前，史蒂文斯需要穿越回那列即將被炸毀的火車上，定位炸彈并找到爆炸的制造者，然后向古德溫上尉報告。每一次穿越，史蒂文斯都可以采取不同的行動來尋找蛛絲馬跡。古德溫上尉和“源代碼”技術的開發者拉特里奇博士（杰弗里?懷特 飾）告訴史蒂文斯，這項計劃并不能讓他真正地改變過去，拯救當時火車上的乘客；而他必須要做的就是收集到足夠的信息以改變未來，阻止現實世界中將會發生的恐怖襲擊。 |
| Every time he is sent into the train he awakens as Sean Fentress, a teacher, sitting across from a woman named Christina Warren (Michelle Monaghan). A series of events repeat each time with slight variations while he goes on searching for the terrorist and deepening his relationship with Christina, until the bomb that destroys the train goes off and Stevens (as Fentress) dies, sending him back to the chamber. |
每當史蒂文斯被傳送到那列火車上醒來時，他的身份就變成了一個名叫肖恩?芬特雷斯的教師，對面總是坐著一個名叫克里斯蒂娜?沃倫的女人（米歇爾?莫娜漢 飾）。每一次的穿越都會重復發生一系列相同的事件，但每次的情況又略有不同。在這個過程中，史蒂文斯繼續著他的任務，在查尋恐怖分子的同時，他和克里斯蒂娜的關系相處得也越發深入了；直到炸彈爆炸，火車被摧毀，史蒂文斯以芬特雷斯的身份死去，而他本人則被送回到那間密室。 |
| Stevens has no memory of how he arrived to the mission; his last memory is of flying in a recent mission in Afghanistan while taking on enemy gunfire. Confused and frustrated, Stevens wonders how he got assigned to this project. |
史蒂文斯不記得他是如何加入這個任務的。他最后的記憶是不久前在阿富汗執行飛行任務時與敵方火力交戰。迷惑沮喪中，史蒂文斯越發想知道他是如何被派來執行這項計劃的。 |
| Stevens is sent back several more times. Each time he learns more, both about the terrorist attack and his real life personal situation, even though Rutledge and Goodwin constantly direct him to focus on finding the bomber. Stevens resolves to complete his mission, now with the added personal goal of saving Christina and the people on the train if at all possible. |
史蒂文斯一次次地被送回那列火車。拉特里奇博士和古德溫上尉一再命令他集中精力尋找爆炸案制造者，然而，他獲得的信息越來越多，不僅僅是關于這次恐怖襲擊的，還有關于他在現實中的個人狀況。史蒂文斯決心要完成他的使命；這回，他還帶上了自己個人的任務：只要有可能，他要拯救克里斯蒂娜和火車上的其他乘客。
（China.org.cn Rebecca 譯）
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