Hawaii Five-O's writers' room is ready to start churning out scripts for season 5.

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The masterminds behind the CBS series arrived back at work on Monday, and fans are eager to find out what the scribes have planned for Steve McGarrett (Alex O'Loughlin) and his crew.

To help in this process, Hawaii Five-0 has added four new creative minds to their team. While Sue Palmer has worked as the H50 scripted coordinator for 24 episodes, writers Kenny Kyle, Sarah Byrd, and Akeba Gaddis are new to the island paradise.

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Although the series wrapped the Ian Wright storyline during "O ka Pili 'Ohana ka 'Oi (Family Comes First)," the mystery of Wo Fat's (Mark Dacascos) connection to the McGarrett family continues to deepen (see video below).

During season 4, McGarrett put to rest a major fan speculation that implied he was actually related to the notorious criminal. Although he may not be Wo Fat's brother, McGarrett's family is inextricably linked to his through Doris McGarrett's (Christine Lahti) CIA hit on Wo Fat's father.

Unfortunately, and seemingly much to Doris' regret, Mrs. McGarrett failed to take out her intended target all those years ago and instead put a bullet in Wo Fat's mother. Now that McGarrett knows that Wo Fat's father is still at large, it remains to be seen what he will discuss with Wo Fat now that the latter is back on the island and looking for a meeting.

Find out more when Hawaii Five-0 returns to CBS this fall.

Tags: Hawaii Five-O television CBS