Tani goes undercover trying to find who murdered the headmaster of a private school on Hawaii Five-0. "O nā hōkū o ka lani wale no kai 'ike i kahi o Pae (Only the Stars of Heaven Know Where Pae Is)" is the 16th episode of the show's eighth season.
McGarrett: Why, what are you going to do? Danno: It's nothing. I've got it. I'm gonna take care of it. McGarrett: Okay, I know what nothing means, so... Danno: Nothing means, nothing, Stephen. I'm fine. McGarrett: Don't go anywhere I'm gonna be there soon.