Honor and the truth are about to be judged.

Barney Greenwald, a skeptical lawyer, reluctantly defends an officer of the navy who took control of the Caine from its captain, Lt. Philip Francis Queeg, while caught in a violent sea storm. As the court-martial proceeds, however, Greenwald increasingly questions if it was truly a mutiny or rather the courageous acts of a group of sailors who could not trust their unstable leader.