Ex-slave and former Union soldier Gideon Jackson represents other ex-slaves at the constitutional convention, and is soon elected to the U.S. Senate despite opposition from white landowners, law enforcement and the KKK. He unites with sharecropper Abner Lait, who helps Jackson unite ex-slaves and white tenant farmers.

A sequel to 1974's Challenge, in which the title character is assigned to gather incriminating evidence against his rival in the state senate, but his assignment gets complicated when the rival hires a group of killers to rub him out.