Two soldiers-Kevin, a fervent optimist, and Mark, a cynical pseudo-philosopher-form an unlikely friendship in Iraq. Time as POWs tests their mutual instincts for survival, but only one man comes home. Maimed physically and emotionally, he is discharged under Don't Ask, Don't Tell and makes an unstable return to civilian life. The aftermath of their captivity exposes tragic secrets intertwined with American politics, Christian faith, and the struggle for gay rights. Remnants of Light uses the debate and repeal of the DADT policy to clarify the moral, ethical, and emotional quandaries of modern America.