Five-0 investigate the theft of an advanced piece of military technology. Jerry helps his sister with another important mission.
A murder at a rave in the desert leads DB Russell and his team to unearth a harrowing case of two sisters held as sex slaves.
A chance encounter with a suspicious-looking individual leads Jane and Lisbon to uncover a vast human smuggling ring; Lisbon is tempted by Marcus Pike's invitation to move with him to Washington DC.
Jane's freedom is at stake when a grand jury is empanelled to decide whether he should be tried for the murder of Red John; Lisbon tries to find out how Jane feels about the possibility of her leaving Austin with Agent Pike.
With time running out to save the victims of a kidnapping ring before they are transported overseas, Jane and Lisbon zero in on the criminal enterprise's mastermind; Lisbon decides if she will move to Washington, DC, with Agent Pike.