希梅娜正在努力维持生活的秩序，她一边抚养三个孩子，一边竞争公司总裁的职位，同时还要应对她（几乎已经）成为前夫的丈夫。这时，她遇到了盖比，盖比竟然成为了她孩子们最好的保姆。
故事紧接上一季结尾：夏威夷州长遭谋杀后，Steve McGarrett成了头号嫌疑人，被临时羁押在监狱里等候出庭受审。Danny突然带着能够洗清他罪名的证据前来探监。与此同时，Kono遭到停职检查的处分，内务调查部派人对她展开全面调查。Terry O'Quinn在本集中扮演McGarrett在海豹突击队受训时的指挥官Joe White；Richard T. Jones扮演新任夏威夷州长Sam Denning；William Sadler再次扮演McGarrett的父亲John McGarrett。
Bobby Axelrod and Chuck Rhoades see their vicious rivalry reignited, while new enemies rise and take aim. Social impact pioneer Mike Prince poses a true threat to Axe’s dominance, and Chuck feuds with a formidable district attorney. Taylor Mason is forced back to Axe Capital, where Taylor must fight to protect their employees and their assets. Wendy Rhoades reevaluates her loya...
