Bud has lost his right lower leg due to a mine in Afghanistan; during emergency surgery he faces bad trouble. Sturgis returns to Washington, and Harm and Mac disobey an order from the admiral. Bud encounters an astounding change of course.

A Marine stands accused of fatally shooting his wife. Mac prosecutes, and Harm defends. Bud and his father have trouble with Bud's condition, but each starts to cope. Nearly everyone gives Loren a happy farewell; Sergei returns to Russia.