During training five newbies and a jumpmaster jump from an aircraft; the jumpmaster signals the jump too soon; two trainees land in a lake, and one of them sustains an injury and soon dies. Mac and Harm prosecute, and Bud and Loren defend.

Lt. Rivers, a SEAL, challenges a man who claims to be a former SEAL; the other man swings at Rivers, who then slugs him. Mac prosecutes, and Harm defends. Rivers and Harm also flush out another impostor. The admiral receives an invitation.