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 everyday lives of five men living together on the North Shore of Oahu, Hawaii. Unbeknownst to one another, each of them is living some aspect of his life on the DL.

After a tragic accident involving his mother, Franck, a man in his 20's, alters reality to help him make the most difficult decision of his life: the decision between life and death.