NCIS connect a message in blood left by a murdered Navy commander to a manuscript that may contain classified military information.
Grover's parents and brother arrive in Oahu to spend Thanksgiving together; a thief is accidentally crushed to death by an empty safe.
When robbers strike a diamond exchange and take hostages, the team thinks the culprits are copying a convict's criminal strategies.
The death of Karl Haas has Henry and Jo looking for a killer and working to solve a decades-old art crime; Abe receives a surprise visitor and a priceless gift.