Hawaii Five-0's Kono and Adam are in for one of the worst honeymoons imaginable.

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After gate crashing their wedding to pull a gun on Chin (Daniel Dae Kim), Gabriel Waincroft (Christopher Sean) will go after the happily married couple just hours after their nuptials. Considering the fugitive is looking to make his mark on the Hawaiian underworld, he will have torture on his mind.

The exact reason for his choice in targets, however, is still a mystery. Executive producer Peter Lenkov shed a little light on Gabriel's motives while speaking with Entertainment Weekly.

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"Gabriel was stripped of everything and he's trying to rebuild everything," Lenkov teased in regards to the season 6 premiere. "It's not a personal thing like Wo Fat was with McGarrett. It's all about his power, wealth and position."

With Kono's (Grace Park) connections to Five-0 and Adam's (Ian Anthony Dale) former connections to the Yakuza, Mr. and Mrs. Noshimuri will make tantalizing targets.

Meanwhile, the rest of McGarrett's (Alex O'Loughlin) team will be busy tracking an art thief who, as luck would have it, is after some buried pirate treasure. It sounds like the season 6 opener is not one you'll want to miss.

Find out more when Hawaii Five-0 returns to CBS on Sept. 25 at 9 p.m. ET.