Days of Future Past is a story bout Paul Young, a young man from the Sacramento California area, and it starts in the late 1990's. Paul had a bit of a 'challenged' youth, in that he got in a lot of fights, ran with a local 'street' gang, and went before the judge as a teenager. More than once.
As Paul got older, due to the intervention of a number of people, including his sensei, parents, and one judge in family court, he changed his life's direction. This led to him eventually join the USAF, because he found he had a passion for flying. Unfortunately for Paul, there were people who harbored certain 'prejudices' against him, some because of his background and some because of his family (politics).
The series starts off with Paul having what is without a doubt the worse day of his life.