Oia'i'o

Steve receives another envelope with a missing piece from his fathers "Champ" toolbox, which contains a key.

Jenna finds out that a shipment of military supplies containing claymore's were stolen and that the main suspect was Dale O'Riley.

Steve comes up with a plan to break into the Governor's mansion and when he does he finds more items from the toolbox along with photos of Laura delivering envelopes to him.

Meanwhile, an internal affairs officer brings Kono in on suspicion of stealing money from the HPD asset forfeiture locker.

Kono is forced to turn in her gun and badge pending investigation while Steve is being processed for jail.

It's sort of our all-star episode because everybody who started with us is coming backA large number of supporting actors who had previously portrayed recurring and guest characters from the season reprised their roles including Mark Dacascos, Claire van der Boom, Teilor Grubbs, Taylor Wily, Larisa Oleynik, Jean Smart, Kelly Hu, Brian Yang, and Dennis Chun.

[3] The episode marked the final appearances of actors Jean Smart and Kelly Hu who portrayed recurring characters Governor Pat Jameson and Laura Hills respectively who were both killed off.

[10] Within seven days, by means of DVR and video on demand services the total number of viewers rose to 13.61 million.

TV Fanatic gave the episode an editorial rating of 4.7 out of 5 saying "Overall, there were a lot of thrilling and unexpected moments, but there were some things that were slightly predictable.".