"Ho'oilina" (Legacy), the fifth episode of Hawaii Five-0 Season 5, originally aired on October 24, 2014, and focuses on Steve McGarrett reopening a 20-year-old cold case investigated by his late father. The episode, directed by Bryan Spicer and written by Eric Guggenheim, features a guest appearance by Mirrah Foulkes as Ellie Clayton and concludes with a cliffhanger involving Jerry Ortega. Detailed information about the episode can be found on the Hawaii Five-O Wiki . Ho'oilina (episode) | Hawaii Five-O Wiki | Fandom