And Then We Heard the Thunder follows the dreams, lies, and anguish of black World War II GI Solomon Sanders during his tour of duty in Indochina, Australia, and the United States. Harvard-trained in the law and a political moderate, Sanders is married to an upper-middle-class black woman who pushes him to "make something of himself" by becoming an Army officer. Given his credentials, he appears a shoo-in for Officer Candidate School, yet he rejects the opportunity as the vestiges of Jim Crow racism, the strains of war, and his interactions with disgruntled black troops thrust him into black activism.

Forced to make common cause with his race rather than with the Army, he and some fellow soldiers write a letter to American newspapers about the poor treatment of blacks in the military. For this outcry, they encounter harassment and further discrimination, resulting in a full-scale battle between black and white troops and a blood-curdling climax to this second novel by acclaimed African American author John Killens.