Colin Bain

The NCIS team investigates when a seaman's body is found at the bottom of the sea in his dress whites, with a ceremonial sword. They discover that he was addicted to a Wizards and Warriors style role-playing game.

When J.D. talks to students about what life in medicine is like, he branches off into a discussion of his best moments as a doctor and challenges his colleagues to do the same.

Rush and the team investigate the 1969 strangulation murder of 19-year-old Ellie McCormick, whose body was discovered in her boyfriend, Warren's, apartment the day he fled to Canada to avoid fighting in Vietnam. Upon Warren's recent return to attend his father's funeral, he is immediately questioned.

Harm and Mac find themselves on opposing sides when a Navy psychiatrist is charged with allegedly sending a marine diagnosed with combat stress back to battle too soon.

The FBI and Darwyn move to intercept the cell's plans to detonate a pair of nuclear dirty bombs in Los Angeles on the Fourth of July, but their victory is overshadowed by a pair of tragedies for Darwyn.