Ep 15. Pale'la (Buried Secrets)

In season 4 episode 15 of Hawaii Five-0, titled "Pale'la (Buried Secrets)," the team is called upon to investigate a murder at a construction site. The victim is identified as a former convict who had just been exonerated for a crime he did not commit.

As they delve deeper into the investigation, the team discovers that the victim was working undercover for the FBI to expose corruption within the construction industry. In order to protect their illegal activities, the corrupt contractors had him killed.

Meanwhile, Kono struggles with some personal issues when she learns that her husband, Adam, has been released from prison. She must navigate the complex emotions of her lingering love for him and the hurt and betrayal he caused her.

The team must use all their resources to bring the corrupt contractors to justice while keeping their investigation under wraps to avoid endangering any more lives. Along the way, they encounter obstacles and challenges that put their own lives at risk.

In the end, Hawaii Five-0 emerges victorious, apprehending the criminals and bringing justice to the victim and his family. Kono also finds some closure in her relationship with Adam and takes steps towards a brighter future.