This book is all about a man Chuck and his best friend Ajax. They met when both in training Chuck was running from the dog terrified because he was the test subject. Ajax wasn't going to eat him but just tackle him too the ground until someone called him off.
Ajax past owner died in Vietnam. Vietnam was still going on but during then Chuck would spend more and more time with Ajax bonding with him. One day the Commander called him in and told him about him being assigned in Vietnam. That wasn't the only thing then his commander assigned him to go with Ajax because of the bond together. There they both were in the Vietnam Ajax and Chuck doing there job. But when Chuck got shot Ajax was trying to help him but that's when a grenade was thrown from about 12 feet away. Both woke up in what would be a church, Ajax on Chuck, with one leg gone, crying because they were both still there, the commander came and told the soldier that he keep Ajax with him over the years. ( )

Chuck and Ajax are partners, and they're good at their job. Chuck leads Ajax through the jungles of Vietnam, and Ajax sniffs out hidden, deadly traps before they can hurt US soldiers.

The war is almost over now, and the Army is grateful for Chuck's service. They want to give him a medal. But their plans for Ajax are less noble.

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