It' s The Soldier's Light.

Jay and Erin have twin boys. Greyson Jay and Jay Alexander. Jay got enlisted into the Army Rangers,this is a story about Erin going through deployment with twin boys,without Jay. Will the Halstead family get through Jay's deployment.
I do not own any rights to Chicago Pd,Fire. I dont own Jay and Erin Halstead or Lindsay. All rights go to Dick, Derek and Michael. I don't own the song Soldier's light which is the title. All rights go to Rylee Preston.