Officer Nolan gets a lesson in respect after his arrest of a gang member leads to a free-for-all on his life.
Shaun and the team race to save a pregnant woman's baby and find her current situation as a convicted felon complicates things.
Naval Criminal Investigative Service Special Agent Leroy Jethro Gibbs leads a group in investigating crimes - ranging from murder and espionage to terrorism - that have evidence connected to Navy and Marine Corps personnel.
After Torres and Bishop are victims of a hit-and-run, Torres fights for his life in the Intensive Care Unit.
An escaped convict who wants Five-0 to prove his innocence abducts Danny and McGarrett; Grace punches a person at school.