Five-0 is tasked with tracking down a violent convict after he breaks from an Island prison in search of his stolen money and kidnaps a young couple on vacation in Waikiki. Meanwhile, McGarrett's estranged sister, Mary Ann, arrives from the mainland.
When Hurley becomes obsessed with the French woman and heads into the jungle to find her, Jack, Sayid, and Charlie have no choice but to follow. Meanwhile, Locke asks Claire to help build a mysterious item.
Five-0 investigates one of history’s most notorious unsolved mysteries following the murder of a conspiracy theorist who questioned why JFK’s cabinet was on Oahu just before his assassination.
McGarrett and Five-0 take on the mob when a former boss is killed and Junior's friend Cammy Lin (Cindy Chu) is on the run after witnessing the hit.
When Rick is asked to assist with a federal investigation of his childhood friend Robbie (Devon Sawa), Magnum launches his own investigation to see what the Feds really have on him.
