Steve McGarrett returns home to Oahu, in order to find his father's killer. The governor offers him the chance to run his own task force (Five-0). Steve's team is joined by Chin Ho Kelly, Danny "Danno" Williams, and Kono Kalakaua.
The first female US President Sally Sheridan is shot dead by a sniper during her Veterans Day speech. Her assassin narrowly escapes the scene with his life, national security hot on his heels - or so it seems. Three months later, an elderly couple discover the body of a wounded man in a tree, wearing a parachute. The young man cannot remember the slightest thing about his own identity.
Early 20th-century adventurers find themselves fighting for survival after their hot-air balloon crashes into a remote part of the Amazon, stranding them on a prehistoric plateau.
Sydney Fox is a professor and globe-trotting "relic hunter" who looks for ancient artifacts to return to museums and/or the descendants of the original owner. She is aided by her linguistic assistant Nigel and occasionally by her somewhat air-headed secretary Claudia. She often ends up battling rival hunters seeking out artifacts for the money.
Thomas Magnum, a decorated former Navy SEAL, returns home from Afghanistan and applies his military skills to become a private investigator in Hawaii taking jobs no one else will—with the help of fellow vets T.C. Calvin and Rick Wright, and former MI:6 agent, Juliet Higgins.
