The episode begins at an FBI safe house with a witness against Drug cartel kingpin Erin Brenner. The witness’s name is Julie and a final attempt on her life is made before she can testify later that day. The Federal Marshall guarding her is killed by two assassins dressed as HPD SWAT officers. The 5-0 team goes in to establish why contact has been lost, in a remote jungle area of Hawaii. Danno is unable to go because his ex wife and daughter get carjacked at gunpoint right as this all goes down.
The remaining members investigate and see that Julie put up a fight by burning her attackers via lighter and hairspray and then dived out a window, injuring herself. They also find the bodies of two HPD officers in the trunk of the car the assailants used. They go on the hunt. Yeah.. the return of Commando McGarrett!
Steve and Chin Ho manage to find Julie in the vast jungle. Chino Ho escorts her to the courthouse and Steve decides to stay behind and take care of the cop killers who are after her. Steve manages to get one of them but the other tracks down Julie and Chin Ho and pursues them. In a scuffle Chin Ho loses his gun and his phone but he and McGarrett meet up again after taking out two more assassins. Steve advises that there will be one more assassin (team of 4) and they need to be on guard.
Kono manages to identify the fourth gunman as a woman, one of Brenner’s lawyers and in a sweet move she kicks said assassins’s ass. I loved the appreciative look on Steve’s face.