In this special crossover episode, Mac and Jack work with "Hawaii Five-0's" Chin and Kono in Hawaii to rescue a group of scientists trapped underground after a massive earthquake strikes.
When Mac and the team travel to Hawaii to aid in earthquake relief efforts, they team up with Chin (Daniel Dae Kim) and Kono (Grace Park) from the Five-0 task force to rescue a group of government scientists trapped in a building. However, as they work on the complicated rescue, a group using the chaos as a distraction aims to steal the top-secret weaponry from the scientists.
