Five-0 enlists the help of a California ATF Agent to find aserial arsonist targeting couples on Oahu. Meanwhile, whenDanny whisks Amber away for a romantic getaway, her abusiveex-husband tracks them down, intent on taking his wife back.
After Zoe and Wade learn the gender of their baby, they arestruck with the realization that neither one of them is readyfor parenthood. BlueBell is in contention for hosting the statefootball championship, but only if they partner with the rivaltown of Fillmore. Begrudgingly, Lemon (Jaime King) helpsconvince Lavon to talk to his nemesis, but he needs AnnaBeth'shelp to get him close to the Mayor. Meanwhile, Brick gets asurprise from his past that shakes him to his core.
Rapper Kid Cudi drops by to give Scott a lesson in the art ofthe prank phone call, and 6-year-old film critic AidenTomasetto shares his favorite movies. Reggie tries to mend hisbroken heart as a contestant on Scott's new dating show.
When an emotionally distraught man holds Baez hostage atgunpoint in an interrogation room after she served him with arestraining order, Danny must try to meet his demands beforehe harms her. Meanwhile, Frank is faced with a personal andmoral dilemma when Garrett asks for help in dropping chargesfiled against his son.
Despite Job's reservations, Lucas and his team pull off adaring heist at Camp Genoa. Lucas and Chayton are haunted bytheir recent deadly encounter. Calling a truce, Gordon andCarrie attempt an unusual intervention with Deva. Unbeknownstto her uncle, Rebecca heads to Philly to work out a deal witha spurned Proctor client.
The finalists work to put the finishing touches on astar-studded red carpet event, where they will present thecommercial they created for Universal Orlando Resort. Whichfinalist will have the better commercial? Which finalist willhave the better presentation? Who will raise more money? In alive Boardroom showdown, Donald Trump will make his finaldecision and choose the seventh "CelebrityApprentice".