The Calvary and Redell of the telegraph company are trying to convince Vittoro and the Apaches that the telegraph is beneficial to everyone. Half breed renegade Delgado and his small band disrupt the demonstration by cutting the wire further down the line and killing two telegraph company employees. Hondo comes across the two dead employees and is jumped by Delgado's band. He is chased and wounded but Delgado spares his life when he finds out Hondo was married to Vittoro's daughter. Hondo manages to get to an isolated cabin where he is healed by Doc Stanton, a wanted but innocent man. Hondo promises not to reveal Doc's presence. Upon returning to the fort he recommends they take a small force of select men and go up into the hills after Delgado's band, putting them on the defensive. Hondo, Buffalo Baker, the Captain, Redell and three cavalrymen encounter Delgado's band. The Captain is seriously wounded and Hondo has to break his word to Doc Stanton in order to save the Captain'