When a Marine known for his practical jokes is found dead on 할로윈 Eve, the NCIS team discovers that the victim's "good-natured" pranks may have inspired ghoulish retribution. Meanwhile, Ziva tries to adjust to her new role on the team.
The team discovers the bizarre death of a Marine and his two 프렌즈 may be linked to their past, but its Gibbs who ends up taking a trip down memory lane.