There's a war going on, and the Unlisted aren't winning against The New Generation of super soldier. Dan already had no one, but losing Phil, his closest friend, hurt more and over a month later he is still mourning. Flashbacks of memories don't make the pain lessen either. But maybe being a little careless in battle may turn out to be in his favour when a guardian angel with a gun shows up to save him.

Mr Lester is just an everyday history teacher, but when one of his students, Dan Howell, starts to fail his class, he finds out there's an unusual reason why.