Parker knows a visiting war correspondence and convinces him that Binghamton is "Jolly Wally," who laughs in the face of danger. However, when Binghamton overdoes it, the Navy sends a psychiatrist to check him out.

When Tinker's date goes out with a war hero, Gruber starts some scuttlebutt to puff up his friend's reputation. However, everyone soon thinks that the 73 is going on a dangerous secret mission... including the Japanese.

After Binghamton catches a glimpse of Fuji, McHale and the crew launch a scheme to convince Binghamton that he has battle fatigue... and sees Japanese everywhere