<Tr> <Td_colspan="8"> Five - 0's confidential informant Sang Min (Will Yun Lee) is accused of murdering one of his criminal partners . Sang Min reveals that he was set up when the police arrived . McGarrett seeks the help from his old friend Odell Martin (guest star Michael Imperioli) to help defend Sang Min from the charges because he believes that he's innocent . Elsewhere, Danny travels to New Jersey with his mother Clara to retrieve the money that Danny's brother stole before he was killed and bring it to the FBI . </Td> </Tr> <Tr> <Th> 135 </Th> <Td> 17 </Td> <Td> "Waiwai" "Assets" </Td> <Td> Maja Vrvilo </Td> <Td> Eric Guggenheim </Td> <Td> March 11, 2016 (2016 - 03 - 11) </Td> <Td> 617 </Td> <Td> 7.97 </Td> </Tr> <Tr> <Td_colspan="8"> Five - 0 investigates the murders of two hospital surgeons and the patient they were about to operate on . They determine that the patient was the real target, as Max shows them X-Rays where a small object was embedded in his skin recently . The vic was actually a mule, carrying a flash drive to Hong Kong for someone else, Chris Dalton (Michael McMillian), an NSA employee . Dalton's girlfriend, Anna Novick (Olga Fonda), is the killer, as she is a Russian spy . Five - 0, HPD, and SWAT surround Dalton and Anna, but Anna calls for backup to attack Five - 0 while she and Dalton escape . However, Dalton slips away from her and is captured by Five - 0 . At headquarters, Dalton reveals the drive contains the identity of undercover spec ops around the world . Dalton's boss (Derek Webster) comes to Five - 0 and informs McGarrett that his name came up in relation with one of the operatives they can't reach: Catherine Rollins . McGarrett and Danny attempt to make sure that Dalton's encryption in the flash drive is secure and that Anna can't unlock it without him . However, Anna pumps nerve gas through the air ducts of Iolani Palace, knocking everyone out . She kidnaps Dalton and takes him to a safe house where she forces Dalton to unlock the drive . McGarrett and the team storm the house and retrieve the drive . As Anna is arrested, McGarrett reveals to Danny that he is angry that Catherine lied to him again . Meanwhile, Danny returns from New Jersey and informs the rest of the team that the man after them is Robert Coughlin (Ingo Rademacher), Rex Coughlin's brother . Chin and Grover relate Rex's history to Abby: that he tried to bring Chin down on anything and even struck a deal with Gabriel Waincroft to do it . They believe that Robert is after them because of Rex's death . Abby informs Robert that she doesn't think Five - 0 is corrupt, but she is told to get something on Five - 0 and stay undercover or she'll be fired . At the end of the episode, Abby confesses to Chin that she is a snitch and what kind of a traitor and double agent she is . </Td> </Tr> <Tr> <Th> 136 </Th> <Td> 18 </Td> <Td> "Kanaka Hahai" "The Hunter" </Td> <Td> Eagle Egilsson </Td> <Td> Story by: Travis Donnelly Teleplay by: Matt Wheeler </Td> <Td> April 1, 2016 (2016 - 04 - 01) </Td> <Td> 618 </Td> <Td> 8.45 </Td> </Tr>

Hawaii five 0 season 6 episode 24 cast