The complete fourth series of the re-imagined drama following an elite task force formed to investigate serious crimes in the Hawaiian Islands. Commander Steve McGarrett (Alex O'Loughlin), an ex-Navy SEAL, heads up the 'Five-0' taskforce. He is joined by Detective Danny Williams (Scott Caan), Chin Ho Kelly (Daniel Dae Kim) and Chin's cousin, Kono Kalakaua (Grace Park). Together they set out to maintain order in paradise and have to deal with such issues as state corruption, terrorism threats, homicide and human trafficking. The episodes are: 'Aloha Ke Kahi I Ke Kahi', 'A'ale Ma'a Wau', 'Ka'Oia i'O Ma Loko', 'A ia la aku', 'Kupu'Eu', 'Kupouli 'La', 'Ua Nalohia', 'Akanahe', 'Hau'Oli La Ho'Omaika'I', 'Ho'Onani Makuakane', 'Pukana', 'O kela me keia Manawa', 'Hana Lokomaika'i', 'Na hala a ka makua', 'Pale 'la', 'Hoku Welowelo', 'Ma Lalo o ka 'ili', 'Ho'i Hou', 'Ku I Ka Pili Koko', 'Pe'epe'e Kanaka', 'Makani 'olu a holo malie' and 'O ka Pili'Ohana ka 'Oi'.