this is the synopsis :
Built in the body of an unidentified man, Captain Colter Stevens (Jake Gyllenhaal) finds himself a part of a mission to find the bombers train in Chicago. In a task that he'd never done before. Stevens found himself a part of the government experiments "Source Code," a program that allows him to cross to the identity of another person in the last 8 minutes of his life. if he can't find the bombers Colter returned life incident repeatedly.
finally, after he discovered the bomber, he did not die and they create a new life.
