Steve McGarrett (Alex O'Loughlin) comes to Hawaii to avenge his father's death, but when the Governor offers his own task force, he accepts. He picks up team members on the way, Danny Williams (Scott Caan), the head detective on his father's case, Chin Ho Kelly (Daniel Dae Kim), a former Honolulu Police Department Detective who was fired for accused corruption, and McGarrett's father's old patrol partner, Kono Kalakaua (Grace Park), a Cadet at the Police Academy who's one week from graduating, Lori Weston (Lauren German), entry to Five-O temporarily, Catharine Rollins (Michelle Borth), a girlfriend of Steve, and Captain Lou Grover (Chi McBride), a former Chicago Police Department Head of S.W.A.T. Written by ahmetkozan