Commander Steve McGarrett of the U.S. Navy put himself on reserve status after his father was murdered to help the Governor of Hawaii with a task that reports to her alone. McGarrett was allowed to hand pick his team and has complete authority and immunity from the rest of law enforcement to stop the unstoppable and catch the uncatchable.
Danny: We shouldn't be doing this without backup.
Steve: You are the backup.
Danny: I am the backup. I hate him so much.
McGarrett: Tell me you know how to swim.
Danny: I know how to swim. I swim for survival, not for fun.